Item 2.  Management’s Discussion and Analysis o f Financial Condition and Results of Operations

Our Management’s Discussion and Analysis of Financial Condition and Results of Operations (MD&A) includes the following sections:

You should read this MD&A in conjunction with the financial statements and related notes in Item 1 and our Annual Report on Form 10-K for the fiscal year ended December 31, 2016.

CAUTIONARY STATEMENT REGARDING FORWARD-LOOKING STATEMENTS

This report contains certain statements that may be deemed “forward-looking statements” within the meaning of U.S. securities laws.  All statements, other than statements of historical fact, that address activities, events or developments that we intend, expect, project, believe or anticipate and similar expressions or future conditional verbs such as will, should, would, could or may occur in the future are forward-looking statements. Such statements are based upon certain assumptions and assessments made by our management in light of their experience and their perception of historical trends, current conditions, expected future developments and other factors they believe to be appropriate.

These statements include, without limitation, statements about our anticipated expenditures, including research and development, sales and marketing, and general and administrative expenses; the potential size of the market for our products; future development and/or expansion of our products and therapies in our markets, our ability to generate  product or development revenues and the sources of such revenues; our ability to effectively manage our gross profit margins; our ability to obtain and maintain regulatory approvals; expectations as to our future performance; portions of the “Liquidity and Capital Resources” section of this report, including our potential need for additional financing and the availability thereof; our ability to continue as a going concern; our ability to remain listed on the NASDAQ Capital Market; our ability to repay or refinance some or all of our outstanding indebtedness and our ability to raise capital in the future; and the potential enhancement of our cash position through development, marketing, and licensing arrangements.   Our actual results will likely differ, perhaps materially, from those anticipated in these forward-looking statements as a result of various factors, including: the early stage of our product candidates and therapies, the results of our research and development activities, including uncertainties relating to the clinical trials of our product candidates and therapies; our need and ability to raise additional cash, the outcome of our partnering/licensing efforts, risks associated with  laws or regulatory requirements applicable to us, market conditions, product performance, potential litigation, and competition within the regenerative medicine field, to name a few. The forward-looking statements included in this report are subject to a number of additional material risks and uncertainties, including but not limited to the risks described under the “Risk Factors” in Item 1A of Part I below, which we encourage you to read carefully.

We encourage you to read the risks described under “Risk Factors” carefully.  We caution you not to place undue reliance on the forward-looking statements contained in this report.  These statements, like all statements in this report, speak only as of the date of this report (unless an earlier date is indicated) and we undertake no obligation to update or revise the statements except as required by law.  Such forward-looking statements are not guarantees of future performance and actual results will likely differ, perhaps materially, from those suggested by such forward-looking statements.

This Quarterly report on Form 10-Q refers to trademarks such as Cytori Cell Therapy, Habeo Cell Therapy, Celution StemSource and Cytori Nanomedicine . Solely for convenience, our trademarks and tradenames referred to in this Form 10-Q may appear without the ® or ™ symbols, but such references are not intended to indicate in any way that we will not assert, to the fullest extent under applicable law, our rights to these trademarks and tradenames.

Overview

Our strategy is to build a profitable and growing specialty therapeutics company focused on rare and niche opportunities frequently overlooked by larger companies but requiring breadth of scope, expertise and focus often not possessed by or available to smaller companies.  To meet this objective, we have, thus far, identified two therapeutic development platforms, discussed below, and candidate therapeutics in our pipeline that hold promise for many patients and significant market potential. Our current corporate activities fall substantially into one of two key areas related to our two therapeutic development platforms: Cytori Cell Therapy and

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Cytori Nanomedicine. 

Cytori Cell Therapy, or “CCT”, is based on the scientific discovery that the human adipose or fat tissue compartment is a source of a unique mixed population of stem, progenitor and regenerative cells that may hold substantial promise in the treatment of numerous diseases and conditions.  To bring this promise to health providers, we are developing novel therapies prepared and administered at the patient’s bedside with proprietary technologies that include therapy-specific reusable, automated Celution devices and single-use procedure sets consisting of Celution consumables, Celase reagent, and Intravase reagent.  Our lead product candidate, Habeo Cell Therapy, is being evaluated in a U.S. pivotal clinical trial for the treatment of impaired hand function in scleroderma and 48 week data for 88 patients is expected in 2017.  Additional CCT treatments are in various stages of development in the areas of immunology, urology, wounds, and orthopedics.  Further, our CCT platform is the subject of investigator-initiated trials conducted by our partners, licensees and other third parties, some of which are supported by us and/or funded by government agencies and other funding sources.  Currently, we internally manufacture the CCT capital equipment and procedure sets in the United States. and the United Kingdom and source our Celase and Intravase reagents from a third party supplier.  We also have obtained regulatory approval to sell some of our CCT products, including our Celution devices and disposable components, in certain markets outside the United States.  In those markets, we have been able to further develop and improve our core technologies, gain expanded clinical and product experience and data, and generate sales.

The Cytori Nanomedicine platform features a versatile protein-stabilized liposomal nanoparticle technology for drug encapsulation that has thus far provided the foundation to bring two promising drugs into early/late stage clinical trials.   Nanoparticle encapsulation is promising because it can help improve the trafficking and metabolism of many drugs, thus potentially enhancing the therapeutic profile and patient benefits.  Our lead drug candidate, ATI-0918 is a generic version of pegylated liposomal encapsulated doxorubicin.  Pegylated liposomal encapsulated doxorubicin is a heavily relied upon chemotherapeutic used in many cancer types on a global basis.  We believe that data from a 60-patient European study of ATI-0918 has met the statistical criteria for bioequivalence to Caelyx®, the current reference listed drug in Europe.  We intend that these bioequivalence data will serve as a basis for our planned regulatory submission to the European Medicines Agency, or EMA, for ATI-0918. We are currently evaluating our options to ATI-0918 in the U.S. market. Our second nanomedicine drug candidate is ATI-1123, a novel and new chemical entity which is a nanoparticle-encapsulated form of docetaxel, also a standard chemotherapeutic drug used for many cancers.  A Phase I clinical trial of ATI-1123 has been completed, and we are investigating possible expansion of this trial to Phase II, most likely in conjunction with a development partner.  In addition, we are early in the long-term research and development of encapsulated regenerative medicine drugs, focused first on the treatment of scleroderma and related connective disorders.  Finally, in connection with our acquisition of the ATI-0918 and ATI-1123 drug candidates, we have acquired know-how (including proprietary processes and techniques) and a scalable nanoparticle manufacturing plant in San Antonio, Texas from which we intend to test, validate and eventually manufacture commercial quantities of our nanoparticle drugs.

Cytori Cell Therapy

The primary near-term goal is for Cytori Cell Therapy to be the first cell therapy to market for the treatment of impaired hand function in scleroderma, through Cytori-sponsored and supported clinical development efforts. The Cytori-sponsored  S cleroderma  T reatment with Celution Processed  A dipose Derived  R egenerative Cells, or STAR clinical trial, is a randomized, double-blind, placebo-controlled, Phase III pivotal clinical trial in the U.S. The purpose of the STAR trial is to evaluate the safety and efficacy of a single administration of Habeo™ Cell Therapy (formerly named ECCS-50) in patients with scleroderma affecting the hands. The first sites for our STAR trial were initiated in July 2015 and final enrollment of 88 patients was completed in June 2016. We anticipate 48-week follow-up data in mid-2017. Once the study is unblinded and data are available, subjects randomized to the placebo arm will be given the option of being treated within a crossover arm of the study.

With respect to the remainder of our current cellular therapeutics clinical pipeline:

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In addition to our targeted therapeutic development, we have continued to commercialize our Cytori Cell Therapy technology under select medical device approvals, clearances and registrations to customers in Europe, Japan and other regions. These customers are a mix of research customers evaluating new therapeutic applications of Cytori Cell Therapy and commercial customers, including our licensing partners, distributors, and end user hospitals, clinics and physicians, that use our Celution cell processing system (as further described in “ Sales, Marketing and Service ” below) mostly for treatment of patients in private pay procedures. In Japan, our largest commercial market, we gained increased utilization of our products in the private pay marketplace in 2016 due to several factors, including increased clarity around the November 2014 Regenerative Medicine Law (implemented in November 2015 as it relates to regenerative medicine products like Cytori Cell Therapy) and we project that our sales and market presence in Japan will continue to grow in 2017.  The sale of Celution devices, procedure sets, and ancillary products contribute a margin that partially offsets our operating expenses and will continue to play a role in fostering familiarity within the medical community with our technology. It also provides us with product and customer feedback.

Habeo Cell Therapy for Impaired Hand Function in Scleroderma and Secondary Raynaud’s Phenomenon

Scleroderma is a rare and chronic autoimmune disorder associated with fibrosis of the skin and destructive changes in blood vessels and multiple organ systems as the result of a generalized overproduction of collagen. Scleroderma affects approximately 50,000 patients in the United States, 90,000 patients in Europe and 30,000 patients in Japan. Women are affected four times more frequently than men and the condition is typically detected between the ages of 30 and 50. More than 90% of scleroderma patients are afflicted with hand involvement that is typically progressive and can result in chronic pain, blood flow changes and severe dysfunction. A small number of treatments are occasionally used off-label for hand scleroderma, but they do little to modify disease progression or substantially improve symptoms. Current treatment options are directed at protecting the hands from injury and detrimental environmental conditions as well as the use of vasodilators.  When the disease is advanced, prostanoids, endothlein receptor antagonists, and immunosuppressants may be used but are often accompanied by side effects.  If these medications are unsuccessful, health providers may perform a sympathectomy to remove nerves to increase blood flow and decrease long-term pain.

The STAR trial is a 48-week, 19 site, randomized, double blind, placebo-controlled pivotal clinical trial of 88 patients in the U.S. for the treatment of impaired hand function in scleroderma. The trial evaluates the safety and efficacy of a single administration of Habeo Cell Therapy in patients with scleroderma affecting the hands and fingers. The STAR trial uses the Cochin Hand Function Scale, or CHFS, a validated measure of hand function, as the primary endpoint measured at 24 weeks and 48 weeks (approximately 6 and 12 months) after a single administration of Habeo Cell Therapy or placebo. Pending the 48 week results, patients in the placebo group will be eligible for crossover to the active arm of the trial after all patients have completed 48 weeks of follow-up. We anticipate study results in mid-2017. The STAR trial is predicated on a completed, investigator-initiated, 12-patient, open-label, Phase I pilot trial, termed SCLERADEC I, sponsored by Assistance Publique-Hôpitaux de Marseille, or AP-HM, in Marseille, France. The SCLERADEC I trial received partial support from Cytori. The six-month results were published in the Annals of the Rheumatic Diseases in May 2014 and demonstrated approximately a 50 percent improvement at six months across four important and validated endpoints used to assess the clinical status in patients with scleroderma with impaired hand function. Two-year follow up data in the SCLERADEC I trial was presented at the Systemic Sclerosis World Congress in February 2016 and published in the journal Current Research in Translational Medicine in November 2016 and demonstrated sustained improvement in the following four key endpoints: CHFS, SHAQ, RCS, and hand pain, as assessed by a standard visual analogue scale.

Further, on December 5, 2016, we released topline results for three-year follow-up data showing sustained benefits materially consistent with those shown in two-year data.

In 2014, Drs. Guy Magalon and Brigitte Granel, under the sponsorship of AP-HM, submitted a study for review for a follow-up randomized, double-blind, placebo-controlled trial in France using Cytori Cell Therapy, to be supported by us. The trial, named SCLERADEC II, received approval from the French government in April 2015. Enrollment of this trial commenced in October 2015 and is ongoing. Enrollment is expected to be completed in 2017, approximately one year later than originally projected, due to delays in French regulatory approvals of participating sites. Patients will be followed at six-month post-treatment and compared with placebo treated patients.  Pending the six-month results patients in the placebo group will be eligible for crossover using Habeo cells stored at the time of the initial procedure. This crossover arm will open after all patients have completed six-month follow up.

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In November 2016, the US FDA Office of Orphan Products Development granted Cytori an orphan drug designation for cryopreserved or centrally processed ECCS-50 (Habeo) for scleroderma.

In January 2017, we announced our intention to broaden our investigation of Habeo Cell Therapy beyond systemic scleroderma to include secondary Raynaud’s Phenomenon, or SRP.   This expansion of Cytori’s research and development efforts is based upon: (i) the 36-month follow-up data from the SCLERADEC I trial, which reported a 90 percent reduction in the Raynaud’s Condition Score, which assesses the frequency and severity of Raynaud’s attacks experienced by patients with Raynaud’s Phenomenon, or RP; (ii) earlier limited published data reporting an association between use of Habeo Cell Therapy and improvement in vascular architecture, hand color, and other direct and indirect indicators of vascular function, and (iii) our internal preclinical data regarding the potential role of Habeo Cell Therapy in the stabilization of the vascular endothelium, an important contributor to the vascular dysfunction found in patients with RP. SRP is a problem that affects millions of patients worldwide.

Osteoarthritis

Osteoarthritis is a disease of the entire joint involving the cartilage, joint lining, ligaments and underlying bone. The breakdown of tissue leads to pain, joint stiffness and reduced function. It is the most common form of arthritis and affects an estimated 13.9% of US adults over the age of 25, and 33.6% of U.S. adults over the age of 65. Current treatments include physical therapy, non-steroidal anti-inflammatory medications, viscosupplement injections, and total knee replacement. A substantial medical need exists as present medications have limited efficacy and joint replacement is a relatively definitive treatment for those with the most advanced disease.

ACT-OA, was a 94-patient, randomized, double-blind, placebo controlled study involving two doses of Cytori Cell Therapy, a low dose and a high dose, and was conducted over 48 weeks. The randomization was 1:1:1 between the control, low and high dose groups. The trial was completed in June 2015. The goal of this proof-of-concept trial was to help determine: (1) safety and feasibility of the ECCO-50 therapeutic for osteoarthritis, (2) provide dosing guidance and (3) explore key trial endpoints useful for a Phase III trial.

We completed top-line analysis of the final 48-week data in July 2016.  A total of 94 patients were randomized (33 placebo, 30 low dose ECCO-50, 31 high dose ECCO-50). In general, a clear difference between low and high dose ECCO-50 was not observed and therefore the data for both groups have been combined.  We evaluated numerous endpoints that can be summarized as follows:

In summary, the ACT-OA Phase II trial demonstrated feasibility of same day fat harvesting, cell processing and intraarticular administration of autologous ADRCs (ECCO-50) with a potential for a beneficial effect of ECCO-50. The accumulated data and experienced gained will be critical in considering designs of further clinical trials in osteoarthritis and other potential indications.  In addition, we are actively pursuing partnering and commercialization opportunities for ECCO-50 to further develop our knee osteoarthritis program and also to support our growing commercial sales into the knee osteoarthritis market in Japan.  

Stress Urinary Incontinence

Another therapeutic target under evaluation by Cytori in combination with the University of Nagoya and the Japanese MHLW is stress urinary incontinence in men following surgical removal of the prostate gland, which is based on positive data reported in a peer reviewed journal resulting from the use of ADRCs prepared by our Celution System. The ADRESU trial is a 45 patient, investigator-initiated, open-label, multi-center, single arm trial that was approved by the Japanese MHLW in July 2015 and is being led by both Momokazu Gotoh, MD, Ph.D., Professor and Chairman of the Department of Urology and Tokunori Yamamoto, MD, Ph.D., Associate Professor Department of Urology at University of Nagoya Graduate School of Medicine. Trial enrollment began in September 2015, and in December 2016, the trial achieved 50% enrollment.  This clinical trial is primarily sponsored and funded by the Japanese government, including a grant provided by AMED.

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Cutaneous and Soft Tissue Thermal and Radiation Injuries

We are also developing Cytori Cell Therapy, or DCCT-10, for the treatment of thermal burns. In the third quarter of 2012, we were awarded a contract by BARDA valued at up to $106 million to develop a medical countermeasure for thermal burns. The total award under the BARDA contract has been intended to support all clinical, preclinical, regulatory and technology development activities needed to complete the FDA approval process for use of DCCT-10 in thermal burn injury under a device-based pre-market authorization (“PMA”) regulatory pathway and to provide preclinical data in burn complicated by radiation exposure.

Pursuant to this contract, BARDA initially awarded us approximately $4.7 million over the initial two-year base period to fund preclinical research and continued development of our Celution System to improve cell processing. In August 2014, BARDA determined that Cytori had completed the objectives of the initial phase of the contract, and exercised its first contract option in the amount of approximately $12 million. In December 2014 and September 2016, BARDA exercised additional contract options pursuant to which it provided us with $2.0 million and $2.5 million in supplemental funds, respectively. These additional funds supported continuation of our research, regulatory, clinical and other activities required for submission of an IDE request to the FDA for RELIEF, a pilot clinical trial using DCCT-10 for the treatment of thermal burns. In April 2017, we received approval of an IDE from the FDA to conduct a pilot clinical trial of CCT in patients with thermal burn injuries. This trial is referred to as the RELIEF clinical trial. We are now seeking execution of an option within our current contract with BARDA that would fund RELIEF.

The period of performance for latest BARDA contract modification, entered into in September 2016, has been extended to June 30, 2017. We are in active negotiations with BARDA regarding entry into a new contract or contract option, which, if executed, would provide funding for the proposed RELIEF pilot trial and related costs and expenses. We anticipate that this option will be executed prior to expiration of the updated period of performance for the current contract.

Other recent developments for Cytori Cell Therapy

Cytori Nanomedicine

In February 2017, we completed our acquisition of the assets of Azaya Therapeutics, Inc., or Azaya, pursuant to the terms of an Asset Purchase Agreement, dated January 26, 2017.  Pursuant to the terms of the agreement, we acquired equipment, certain intellectual property including, a portfolio of investigational therapies and related assets, and assumed certain liabilities, from Azaya in exchange for the issuance of 1,173,241 of shares of our common stock in the amount of approximately $2.0 million, assumption of approximately $1.8 million in Azaya’s payables, and the obligation to pay Azaya future milestones, earn-outs and licensing fees. The acquisition of Azaya brought two additional product candidates, ATI-0918 and ATI-1123, into the Cytori pipeline and we intend to develop and potentially commercialize both compounds, most likely in conjunction with a commercial and or commercial partner.

ATI-0918 is a complex generic formulation of the market leading Doxil®/Caelyx®, which is a pegylated liposomal encapsulation of doxorubicin and approved in the United States for use in ovarian cancer, multiple myeloma, and Kaposi’s Sarcoma; and in the European Union for breast cancer, ovarian cancer, multiple myeloma, and Kaposi’s Sarcoma. The current approval pathway for ATI-0918 is to demonstrate bioequivalence to Caelyx® for approval in the EU and to Lipodox® in the U.S.  A study to demonstrate ATI-0918’s bioequivalence to Caelyx®, for purposes of EMA approval, has been completed and we intend for these data to serve as the basis for our submission of a marketing authorization application for ATI-0918 to the EMA. We are also making plans to perform a bioequivalence study of ATI-0918 to the U.S. Reference Standard (RS) to serve as the basis for submission of an ANDA for U.S. FDA approval. We currently anticipate that any U.S. bioequivalence trial for ATI-0918 would be funded by a development partner or licensee.

ATI-1123 is a novel liposomal formulation of docetaxel.  Docetaxel is currently approved for non-small cell lung cancer, breast cancer, squamous cell carcinoma of the head and neck cancer, gastric adenocarcinoma, and hormone refractory prostate cancer.  Its side effects include hair loss, bone marrow suppression, and allergic reactions. It is currently available as a generic drug and there is no form of docetaxel as a liposomal formulation. There is a protein (albumin) bound form of a similar chemotherapeutic drug,

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paclitaxel known as Abraxane®, which demonstrated some clinical advantages to paclitaxel. ATI-1123 has shown superiority to docetaxel in several animal models including some tumor types not amenable to treatment by docetaxel. A Ph ase I study of ATI-1123 has been completed in late stage refractory patients and has shown some activity in several tumor types (mostly stable disease). We are currently evaluating clinical scenarios to bring into Phase II studies in several indications an d potential development partnerships .

Results of Operations

Product revenues

Product revenues consisted of revenues primarily from the sale of Cytori Cell Therapy-related products.  

The following table summarizes the components for the three months ended March 31, 2017 and 2016 (in thousands):

We experienced a decrease of $0.7 million in product revenue during the three months ended March 31, 2017 as compared to the same period in 2016, due to decreased revenue in Asia Pacific and the Americas of $0.1 million, offset by increased revenues in Japan of $0.6 million due to continued adoption of Cytori Cell Therapy primarily in the aesthetic and osteoarthritis business.  

The future:   We expect to continue to generate a majority of product revenues from the sale of Cytori Cell Therapy-related products to researchers, clinicians, and distributors in EMEA, Japan, Asia Pacific, and the Americas. In Japan and EMEA, researchers will use our technology in ongoing and new investigator-initiated and funded studies focused on, but not limited to, hand scleroderma, Crohn’s disease, peripheral artery disease, erectile dysfunction, and diabetic foot ulcers.  Habeo Cell Therapy for hand scleroderma will continue to be accessible to patients and physicians through a managed access program, or MAP, that we initiated in EMEA in 2016.  In the Americas, Cytori’s partner, Kerastem, is utilizing the Cytori Cell Therapy technology as part of its FDA-approved STYLE trial for patients with alopecia, or hair loss. Overall, we expect 2017 product revenues to remain relatively consistent with 2016.

Cost of product revenues

Cost of product revenues relate primarily to Cytori Cell Therapy-related products and includes material, manufacturing labor, and overhead costs, as well as amortization of intangible assets. The following table summarizes the components of our cost of revenues for the three months ended March 31, 2017 and 2016 (in thousands):

Cost of product revenues as a percentage of product revenues was 121.2% for the three months ended March 31, 2017 and 43.0% for the three months ended March 31, 2016.  Fluctuation in this percentage is due to our product mix, distributor and direct sales mix, geographic mix, foreign exchange rates, idle capacity, allocation of overhead, and higher intangible amortization expense.

The future: We expect to continue to see variation in our gross profit margin as the product mix, distributor and direct sales mix and geographic mix comprising revenues fluctuate. We are investigating various pricing options for our cellular therapeutics, including orphan pricing for our Habeo Cell Therapy, which may help to increase our gross profit margins in 2017 and beyond.

Development revenues

Under our government contract with BARDA, we recognized a total of $1.0 million in revenues for the three months ended March 31, 2017 which included allowable fees as well as cost reimbursements.  During the three months ended March 31, 2017, we incurred $0.9 million in qualified expenditures. During the three months ended March 31, 2016, we recognized revenue of $1.6 million and

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incurred $ 1.5 million in qualified expenditures, respectively . The de crease in revenues for the three months ended March 31, 2017 as com pared to the same periods in 2016 is primarily due to slight de creases in research and development activities rel ated to BARDA.

The future: Our current contract with BARDA was extended through June 30, 2017. We are in the process of negotiating an extension of the current contract option for initiation of a pilot clinical trial of DCCT-10 in thermal burn injury.

Research and development expenses

Research and development expenses relate to the development of a technology platform that involves using adipose tissue as a source of autologous regenerative cells for therapeutic applications as well as the continued development efforts related to our clinical trials.

Research and development expenses include costs associated with the design, development, testing and enhancement of our products, payment of regulatory fees, laboratory supplies, pre-clinical studies and clinical studies.  

The following table summarizes the components of our research and development expenses for the three months ended March 31, 2017 and 2016 (in thousands):

The decrease in research and development expenses, excluding share-based compensation, for the three months ended March 31, 2017 as compared to the same period in 2016 is due to a decrease of approximately $0.4 million in clinical study expenses as well as a decrease of approximately $0.3 million in salaries and benefits as a result of completion of enrollment in our U.S. clinical trials enrolling in 2016.

The future:   We expect aggregate research and development expenditures to increase in 2017 as we incur development costs in preparation of Habeo U.S. PMA filing submission, our development efforts of the recently acquired assets from Azaya, and ongoing activities of the U.S. STAR clinical trial.

Sales and marketing expenses

Sales and marketing expenses include costs of sales and marketing personnel, events and tradeshows, customer and sales representative education and training, primary and secondary market research, and product and service promotion.  The following table summarizes the components of our sales and marketing expenses for the three months ended March 31, 2017 and 2016 (in thousands):

Sales and marketing expenses excluding share-based compensation decreased by approximately $0.1 million during the three months ended March 31, 2017 as compared to the same period in 2016 due to increases in salary and related benefits expense and professional services mostly related to our operations in Japan, commercial planning activities for scleroderma in the United States and investments in the EMEA managed access program.

The future:   We expect sales and marketing expenditures to slightly increase during the balance of 2017. These expenditures will have a greater increase in the second half of 2017 as we prepare for commercial readiness for hand scleroderma in the United States and knee osteoarthritis, aesthetics and stress urinary incontinence in Japan.

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General and administrative expenses

General and administrative expenses include costs for administrative personnel, legal and other professional expenses, and general corporate expenses.  The following table summarizes the general and administrative expenses for the three months ended March 31, 2017 and 2016 (in thousands):

General and administrative expenses excluding share-based compensation decreased by $0.2 million during the three months ended March 31, 2017, as compared to the same periods in 2016 is primarily due to decreases in salary and related benefits expense and professional services consistent with our ongoing cost curtailment efforts.

The future:   We expect general and administrative expenditures to increase significantly with the acquisition of Azaya assets and as we integrate its operations under the Cytori Therapeutics umbrella.

Share-based compensation expenses

Share-based compensation expenses include charges related to options and restricted stock awards issued to employees, directors and non-employees along with charges related to the employee stock purchases under the Employee Stock Purchase Plan, or ESPP. We measure stock-based compensation expense based on the grant-date fair value of any awards granted to our employees. Such expense is recognized over the requisite service period.

The following table summarizes the components of our share-based compensation expenses for the three months ended March 31, 2017 and 2016 (in thousands):

The decrease in share-based compensation expenses for the three months ended March 31, 2017 as compared to the same periods in 2016 is primarily related to a lower annual grant activities caused by reductions in headcount and due to the decline in the stock price during 2017 as compared to the same period in 2016, and its corresponding impact on share-based compensation.

The future :  We expect to continue to grant options and stock awards (which will result in an expense) to our employees, directors, and, as appropriate, to non-employee service providers. In addition, previously-granted options will continue to vest in accordance with their original terms. As of March 31, 2017, the total compensation cost related to non-vested stock options and stock awards not yet recognized for all our plans is approximately $1.3 million which is expected to be recognized as a result of vesting under service conditions over a weighted average period of 1.66 years.

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In process research and development acquired from Azaya Therapeutics

In February 2017, we entered into an agreement to acquire assets, including in process research and development (“IPR&D) related to two drug candidates, from Azaya Therapeutics. In connection with this agreement, we recorded an IPR&D charge totaling $1.7 million. The acquired IPR&D is in the early stage of development and has no alternative use. Additional research, pre-clinical studies, and regulatory approvals must be successfully completed prior to commercialization of any product.

Financing items

The following table summarizes interest income, interest expense, and other income and expense for the three months ended March 31, 2017 and 2016 (in thousands):

The future: We expect interest expense in 2017 to decrease as we continue to make payments on the principal balance of the Loan and Security Agreement, dated May 29, 2015, or the Loan and Security Agreement, with Oxford Finance LLC, or Oxford.

We incurred net losses of $7.5 million and $5.3 million for the three months ended March 31, 2017 and 2016, respectively.  We have an accumulated deficit of $386.6 million as of March 31, 2017.  Additionally, we have used net cash of $4.8 million and $5.1 million to fund our operating activities for the three months ended March 31, 2017 and 2016, respectively.

Further, our Loan and Security Agreement with Oxford requires us to maintain a minimum of $5.0 million in unrestricted cash and cash equivalents on hand to avoid an event of default under the Loan and Security Agreement. Based on our cash and cash equivalents on hand of approximately $6.3 million at March 31, 2017, and our obligation to make payments of principal of $0.6 million plus accrued interest in monthly installments, we estimate that we must raise additional capital and/or obtain a waiver or restructure the Loan and Security Agreement on or before August 2017 to avoid defaulting under our $5.0 million minimum cash/cash equivalents covenant.

To date, these operating losses have been funded primarily from outside sources of invested capital including our recently completed underwritten public offering, our Lincoln Park Purchase Agreement (“Lincoln Park Purchase Agreement”) with Lincoln Park Capital Fund, LLC (“Lincoln Park”) and the Rights Offering (each defined below), our at-the-market (“ATM”) equity facility, the Loan and Security Agreement and gross profits.  We have had, and we will likely continue to have, an ongoing need to raise additional cash from outside sources to fund our future clinical development programs and other operations.

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On June 15, 2016, the Company closed a r ights o ffering originally filed under Form S-1 registration statement in April 2016 (“Rights Offering ”) . Pursuant to the Rights Offering, the Company sold an aggregate of 6,704,852 units consisting of a total of 6,704,852 shares of common stock and 3,352,306 warrants, with each warrant exercisable for one share of common stock at an exercise price of $3.0 6 per share, resulting in total gross proceeds to us of $17.1 million.

During the first quarter of 2017, we sold 886,292 shares of our common stock under our ATM offering program, receiving total net proceeds of approximately $1.5 million.  Although sales of our common stock have taken place pursuant to our ATM offering program, there can be no assurance that we will be successful in consummating future sales based on prevailing market conditions or in the quantities or at the prices that we deem appropriate. In addition, under current SEC regulations, at any time during which the aggregate market value of our common stock held by non-affiliates, or public float, is less than $75.0 million, the amount we can raise through primary public offerings of securities in any twelve-month period using shelf registration statements, including sales under our ATM offering program, is limited to an aggregate of one-third of our public float. As of December 31, 2016, our public float was 21.5 million shares, the value of which was $32.5 million based upon the closing price of our common stock of $1.51 on such date. The value of one-third of our public float calculated on the same basis was approximately $11.0 million.

On December 22, 2016, we entered into the Lincoln Park Purchase Agreement and a registration rights agreement, with Lincoln Park pursuant to which we have the right to sell to Lincoln Park and Lincoln Park is obligated to purchase up to $20.0 million in amounts of shares, of our common stock, over the 30-month period commencing on the date that a registration statement, that we filed with the Securities and Exchange Commission (the “SEC”) in December 2016. We may direct Lincoln Park, at its sole discretion and subject to certain conditions, to purchase up to 100,000 shares of common stock on any business day but in no event will the amount of a single Regular Purchase exceed $1.0 million. The purchase price of shares of common stock related to the Regular Purchases will be based on the prevailing market prices of such shares at the time of sales. Our sales of shares of common stock to Lincoln Park under the Lincoln Park Purchase Agreement are limited to no more than the number of shares that would result in the beneficial ownership by Lincoln Park and its affiliates, at any single point in time, of more than 9.99% of the then outstanding shares of the common stock. There are no trading volume requirements or restrictions under the Lincoln Park Purchase Agreement. There is no upper limit on the price per share that Lincoln Park must pay for common stock under a Regular Purchase or an accelerated purchase and in no event will shares be sold to Lincoln Park on a day our closing price is less than the floor price of $0.50 per share as set forth in the Lincoln Park Purchase Agreement. On December 22, 2016, we issued to Lincoln Park 127,419 shares of common stock as commitment shares in consideration for entering into the Lincoln Park Purchase Agreement. We will issue up to an additional 382,258 shares of common stock on a pro rata basis to Lincoln Park only as and when shares are sold under the Lincoln Park Purchase Agreement to Lincoln Park. 

Pursuant to this securities transaction and related equity issuance, as well as anticipated gross profits and potential outside sources of capital, we believe we have sufficient cash to fund operations through at least the third quarter of 2017 We continue to seek additional capital through product revenues, strategic transactions, including extension opportunities under the awarded BARDA contract, and from other financing alternatives. However, there can be no assurance that we will be successful in securing additional resources when needed, on terms acceptable to us or at all. Therefore, there exists substantial doubt about our ability to continue as a going concern.

On April 11, 2017, we entered into an underwriting agreement (the “Underwriting Agreement”) with Maxim Group LLC (“Maxim”) relating to the issuance and sale of 8.6 million shares of our common stock, par value $0.001 per share. The price to the public in this offering is $1.10 per share. Maxim agreed to purchase the shares from us pursuant to the Underwriting Agreement at a price of $1.0395 per share. The net proceeds to us from the offering were approximately $8.7 million, after deducting underwriting discounts and commissions and estimated offering expenses payable by the Company. The offering closed on April 17, 2017. In addition, under the terms of the Underwriting Agreement, we have granted Maxim a 45-day option to purchase up to 944,000 additional shares of common stock.

Should we be unable to raise additional cash from outside sources, this will have an adverse impact on our operations.

The accompanying consolidated financial statements have been prepared assuming the Company will continue to operate as a going concern, which contemplates the realization of assets and settlement of liabilities in the normal course of business, and do not include any adjustments to reflect the possible future effects on the recoverability and classification of assets or the amounts and classifications of liabilities that may result from uncertainty related to its ability to continue as a going concern.

As of March 31, 2017, there have been no material changes outside the ordinary course of our business to the contractual obligations we reported in our Annual Report on Form 10-K for the fiscal year ended December 31, 2016.  

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Cash (used in) provided by operating, investing, and f inancing activities for the three months ended March 31, 2 017 and 2016 is summarized as follows (in thousands) :

Operating activities

Net cash used in operating activities for the three months ended March 31, 2017 was $4.8 million. Overall, our operational cash use decreased during the three months ended March 31, 2017 as compared to the same period in 2016, due primarily to an increase in losses from operations (when adjusted for non-cash items) of $0.2 million offset by $0.4 million in working capital improvements.

Investing activities

Net cash used in investing activities for the three months ended March 31, 2017 resulted primarily from cash outflows for payment for long-lived assets purchased as part of Azaya’s acquisition of $1.2 million.

Financing Activities

The net cash used in financing activities for the three months ended March 31, 2017 related primarily to principal payments on our debt of $1.8 million offset by cash provided by a sale of common stock of $1.4 million.

Critical Accounting Policies and Significant Estimates

The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires us to make estimates and assumptions that affect the reported amounts of our assets, liabilities, revenues and expenses, and that affect our recognition and disclosure of contingent assets and liabilities.  

While our estimates are based on assumptions we consider reasonable at the time they were made, our actual results may differ from our estimates, perhaps significantly.  If results differ materially from our estimates, we will make adjustments to our financial statements prospectively as we become aware of the necessity for an adjustment.

We believe it is important for you to understand our most critical accounting policies.  Our critical accounting policies and estimates remain consistent with those reported in our Annual Report on Form 10-K for the fiscal year ended December 31, 2016.