Biggest changeCosts and Expenses Our costs and expenses were as follows: (dollars in thousands) Year Ended December 31, 2022 Year Ended December 31, 2021 Increase (Decrease) % Change Cost of goods sold $ 3,788 $ 3,430 $ 358 10.4 % Selling, general and administrative $ 17,584 $ 19,039 $ (1,455 ) (7.6 %) Research and development $ 4,342 $ 4,978 $ (636 ) (12.8 %) Cost of Goods Sold The increase in costs of goods sold for the year ended December 31, 2022 compared to the year ended December 31, 2021, was due to higher sales, lower fixed overhead absorption because of lower manufacturing volumes, and a $97,000 inventory write-off resulting from the discontinuation of a distribution agreement. 34 Table of Contents Selling, General and Administrative The decrease in selling, general and administrative expense primarily reflects the Company’s ongoing expense reduction efforts.
Biggest changeCosts and Expenses Our costs and expenses were as follows: (in thousands) Year Ended December 31, 2023 Year Ended December 31, 2022 Increase (Decrease) % Change Cost of goods sold $ 3,881 $ 3,788 $ 93 2.5 % Selling, general and administrative $ 17,191 $ 17,584 $ (393 ) (2.2 %) Research and development $ 5,422 $ 4,342 $ 1,080 24.9 % Cost of Goods Sold The increase in costs of goods sold for the year ended December 31, 2023, compared to the year ended December 31, 2022, was primarily due to lower fixed overhead absorption because of lower manufacturing volumes.
In November 2021, the Company entered into a fourth amendment to the lease, extending the term of the lease from March 31, 2022 to March 31, 2027. This facility serves as our corporate headquarters and houses substantially all our functional areas. Monthly rent and common area maintenance charges, including estimated property tax for our headquarters total approximately $31,000.
In November 2021, the Company entered into a fourth amendment to the lease, extending the term of the lease from March 31, 2022, to March 31, 2027. This facility serves as our corporate headquarters and houses substantially all our functional areas. Monthly rent and common area maintenance charges, including estimated property tax for our headquarters total approximately $34,000.
On January 28, 2020, we closed on an underwritten public offering of 2,015 shares of common stock, 3,839 shares of Series H Preferred Stock and warrants to purchase 5,855 shares of common stock, which included the full exercise of the underwriter’s over-allotment option, for gross proceeds of approximately $9.7 million.
On January 28, 2020, we closed on an underwritten public offering of 2,015 shares of common stock, 3,839 shares of Series H Convertible preferred stock and warrants to purchase 5,855 shares of common stock, which included the full exercise of the underwriter’s over-allotment option, for gross proceeds of approximately $9.7 million.
Overview We are a medical technology company dedicated to transforming the lives of patients suffering from fluid overload through science, collaboration, and innovative technology. The company is focused on developing, manufacturing, and commercializing medical devices used in ultrafiltration therapy, including the Aquadex System.
Overview We are a medical device company dedicated to transforming the lives of patients suffering from fluid overload through science, collaboration, and innovative technology. The company is focused on developing, manufacturing, and commercializing medical devices used in ultrafiltration therapy, including the Aquadex System.
Accounting for Warrants We have issued and may continue to issue warrants to purchase shares of common stock through our public and private offerings. We account for such warrants in accordance with ASC 480 Distinguishing Liabilities from Equity, which identifies three categories of freestanding financial instruments that are required to be accounted for as a liability.
Accounting for Warrants We have issued and may continue to issue warrants to purchase shares of common and convertible preferred stock through our public and private offerings. We account for such warrants in accordance with ASC 480 Distinguishing Liabilities from Equity, which identifies three categories of freestanding financial instruments that are required to be accounted for as a liability.
We did not establish an allowance for doubtful accounts on December 31, 2022, as we have not experienced any bad debt write-offs or a deterioration in the aging of our receivables to date and do not expect to experience in the future.
We did not establish an allowance for doubtful accounts on December 31, 2023, as we have not experienced any bad debt write-offs or a deterioration in the aging of our receivables to date and do not expect to experience in the future.
The effect of the COVID-19 pandemic may not be fully reflected in our results of operations and overall financial performance until future periods. See Part 1, Item 1-A “Risk Factors” in this Annual Report on Form 10-K.
The effect of the COVID-19 pandemic may not be fully reflected in our results of operations and overall financial performance until future periods. See Part 1, Item 1A “Risk Factors” in this Annual Report on Form 10-K.
There have been no impairment losses recognized for the years ended December 31, 2022 or December 31, 2021. Going Concern Our Consolidated financial statements have been prepared and presented on a basis assuming we continue as a going concern.
There have been no impairment losses recognized for the years ended December 31, 2023, or December 31, 2022. Going Concern Our Consolidated financial statements have been prepared and presented on a basis assuming we continue as a going concern.
Potentially dilutive shares of common stock include shares underlying outstanding convertible preferred stock, warrants, stock options and other stock-based awards granted under stock-based compensation plans. 32 Table of Contents Impairment of Long-Lived Assets Long-lived assets are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset or asset group may not be recoverable.
Potentially dilutive shares of common stock include shares underlying outstanding convertible preferred stock, warrants, stock options and other stock-based awards granted under stock-based compensation plans. Impairment of Long-Lived Assets Long-lived assets are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset or asset group may not be recoverable.
We may seek to raise additional capital to support our growth or other strategic initiatives through debt, equity, or a combination thereof. There can be no assurance the Company will be successful in raising additional capital.
We intend to seek to raise additional capital to support our growth or other strategic initiatives through debt, equity, or a combination thereof. There can be no assurance the Company will be successful in raising additional capital.
There are no new accounting pronouncements not yet adopted that we believe will have a material impact on the consolidated financial statements of the Company. FINANCIAL OVERVIEW We are a medical technology company focused on commercializing the Aquadex System for ultrafiltration treatment of patients with fluid overload who have failed diuretic therapy.
There are no new accounting pronouncements not yet adopted that we believe will have a material impact on the consolidated financial statements of the Company. 40 Table of Contents FINANCIAL OVERVIEW We are a medical technology company focused on commercializing the Aquadex System for ultrafiltration treatment of patients with fluid overload who have failed diuretic therapy.
We expect to incur additional losses in the near-term as we grow the Aquadex Business, including investments in expanding our sales and marketing capabilities, purchasing inventory and manufacturing components, investing in clinical research, and complying with the requirements related to being a U.S. public company.
We expect to incur additional losses in the near-term as we grow the Aquadex Business, including investments in expanding our sales and marketing capabilities, purchasing inventory and manufacturing components, investing in clinical research, investing in new product development, and complying with the requirements related to being a U.S. public company.
No adjustments have been made relating to the recoverability and classification of recorded asset amounts and classification of liabilities that might be necessary should the Company not continue as a going concern. We believe that our existing capital resources will be sufficient to support our operating plan through December 31, 2023; however, there can be no assurance of this.
No adjustments have been made relating to the recoverability and classification of recorded asset amounts and classification of liabilities that might be necessary should the Company not continue as a going concern. We believe that our existing capital resources will be sufficient to support our operating plan through May 31, 2024; however, there can be no assurance of this.
See Note 2 to the consolidated financial statements included in Part II, Item 8 of this Annual Report on Form 10-K. Accounts Receivable Our accounts receivable generally have terms that require payment in 30 days.
See Note 2 to the consolidated financial statements included in Part II, Item 8 of this Annual Report on Form 10-K. 38 Table of Contents Accounts Receivable Our accounts receivable generally have terms that require payment in 30 days.
During 2021 and through December 31, 2022, we closed on underwritten public and other equity offerings for aggregate net proceeds of approximately $37.3 million after deducting the underwriting discounts and commissions or placement agents’ fees and offering expenses, as applicable, and other costs associated with the offerings.
During 2021 and through December 31, 2023, we closed on underwritten public and other equity offerings for aggregate net proceeds of approximately $40.9 million after deducting the underwriting discounts and commissions or placement agents’ fees and offering expenses, as applicable, and other costs associated with the offerings.
During the years ended December 31, 2022 and 2021, we incurred losses from operations and net cash outflows from operating activities as disclosed in the consolidated statements of operations and cash flows, respectively. As of December 31, 2022, we had an accumulated deficit of $267.4 million and we expect to incur losses for the foreseeable future.
During the years ended December 31, 2023, and 2022, we incurred losses from operations and net cash outflows from operating activities as disclosed in the consolidated statements of operations and cash flows, respectively. As of December 31, 2023, we had an accumulated deficit of $287.6 million and we expect to incur losses for the foreseeable future.
Since then, our activities have consisted mainly of expanding our sales and marketing efforts, as well as continued development of clinical evidence and new product development efforts. As of December 31, 2022, we had an accumulated deficit of $267.4 million, and we expect to incur losses for the foreseeable future.
Since then, our activities have consisted mainly of expanding our sales and marketing efforts, as well as continued development of clinical evidence and new product development efforts. As of December 31, 2023, we had an accumulated deficit of $287.6 million, and we expect to incur losses for the foreseeable future.
Income Tax Expense (dollars in thousands) Year Ended December 31, 2022 Year Ended December 31, 2021 Increase (Decrease) % Change Income tax expense $ 9 $ 9 $ — 0.0 % We have not recognized any income tax benefit in our statement of operations related to our U.S. operating losses, as all tax benefits are fully reserved.
Income Tax Expense (in thousands) Year Ended December 31, 2023 Year Ended December 31, 2022 Increase (Decrease) % Change Income tax expense $ 8 $ 9 $ (1 ) (11.1 %) We have not recognized any income tax benefit in our statement of operations related to our U.S. operating losses, as all tax benefits are fully reserved.
Contractual Obligations and Commitments The following table summarizes our contractual obligations as of December 31, 2022, which represent material expected or contractually committed future obligations: (Dollars in thousands) Payments Due by Period Less than 1 year 1-3 years 3-5 years More than 5 years Total Operating Lease $ 249 $ 521 $ 341 $ - $ 1,111 Financing Leases 32 - - - 32 Total $ 281 $ 521 $ 341 $ - $ 1,343 We lease a 23,000 square foot facility located in Eden Prairie, Minnesota for office and manufacturing space under a non-cancelable operating lease that expires in March 2027.
Contractual Obligations and Commitments The following table summarizes our contractual obligations as of December 31, 2023, which represent material expected or contractually committed future obligations: (in thousands) Payments Due by Period Less than 1 year 1-3 years 3-5 years More than 5 years Total Operating Lease $ 257 $ 536 $ 69 $ - $ 862 Financing Leases - - - - - Total $ 257 $ 536 $ 69 $ - $ 862 We lease a 23,000 square foot facility located in Eden Prairie, Minnesota for office and manufacturing space under a non-cancelable operating lease that expires in March 2027.
Results of Operations Net Sales (dollars in thousands) Year Ended December 31, 2022 Year Ended December 31, 2021 Increase (Decrease) % Change $ 8,543 $ 7,921 $ 622 7.9 % Revenue is generated mainly from the sale of disposable blood filters and catheters used in conjunction with the Aquadex System consoles.
Results of Operations Net Sales (in thousands) Year Ended December 31, 2023 Year Ended December 31, 2022 Increase (Decrease) % Change $ 8,864 $ 8,543 $ 321 3.8 % Revenue is generated mainly from the sale of disposable blood filters and catheters used in conjunction with the Aquadex System consoles.
The ongoing impact of the COVID-19 outbreak on our operational and financial performance will depend on certain future developments, including any future spread and duration of an outbreak, the ongoing impact on our customers and hospital access restrictions imposed on our field employees, and effect on our vendors, all of which remain uncertain and cannot be predicted. 30 Table of Contents We may experience curtailed customer demand or constrained supply that could materially adversely impact our business, results of operations and overall financial performance in future periods.
The ongoing impact of the COVID-19 outbreak on our operational and financial performance has diminished, but we may still experience downstream effects that will depend on certain future developments, including the ongoing impact on our customers, hospital capital budget constraints, nursing staff shortages, hospital access restrictions imposed on our field employees, and effects on our vendors, all of which remain uncertain and cannot be predicted. 36 Table of Contents We may experience curtailed customer demand or constrained supply that could materially adversely impact our business, results of operations and overall financial performance in future periods.
The net cash used in each of these periods primarily reflects the net loss for those periods, offset in part by stock-based compensation, depreciation and amortization, and the effects of changes in operating assets and liabilities, including working capital, as well as the net impact of non-cash financing expense and change in the fair value of the warrant liability for the current year period. 36 Table of Contents Cash Flows from Investing Activities Net cash provided and (used) in investing activities was $14.7 million and ($15.7) million in 2022 and 2021, respectively.
The net cash used in each of these periods primarily reflects the net loss for those periods, offset in part by stock-based compensation, depreciation and amortization, and the effects of changes in operating assets and liabilities, including working capital, as well as the net impact of non-cash financing expense and change in the fair value of the warrant liability and warrant financing expense for the current year period.
If determined to be classified as a liability, we will remeasure the fair value of the warrants at each balance sheet date. If determined to be classified as equity, the fair value of the warrants will be measured as of the date of issuance and will not be subject to remeasurement at each balance sheet date.
If determined to be classified as a liability, we will initially measure the fair value of the warrants upon issuance and subsequently remeasure the fair value of the warrants at each balance sheet date.
The cash provided in investing activities represented the proceeds from the sale of marketable securities and cash used in investing activities was primarily for the purchase of marketable securities. Cash Flows from Financing Activities Net cash provided by financing activities was $9.4 million and $27.9 million in 2022 and 2021, respectively.
Cash Flows from Investing Activities Net cash provided by investing activities was $0.3 million and $14.7 million in 2023 and 2022, respectively. The cash provided in investing activities represented the proceeds from the sale of marketable securities and cash used in investing activities was primarily for the purchase of marketable securities.
We generate minimal amounts of income tax expense in connection with activities incurred by our Irish subsidiary. Liquidity and Capital Resources Sources of Liquidity We have funded our operations primarily through cash on hand and a series of equity and debt issuances. On December 9, 2022, we effected a 1-for-100 reverse split of our outstanding common stock.
We generate minimal amounts of income tax expense in connection with activities incurred by our Irish subsidiary. 41 Table of Contents Liquidity and Capital Resources Sources of Liquidity We have funded our operations primarily through cash on hand and a series of equity and debt issuances.
The offering was comprised of (1) 209,940 Class A Units, priced at a public offering price of $25 per Class A Unit, with each Class A Unit consisting of one share of common stock and 1.5 warrants to purchase one share of common stock at an exercise price of $25 per share, and (2) 23,157,124 Class B Units , priced at a public offering price of $0.25 per Class B Unit , with each Class B Unit consisting of one share of Series I convertible preferred stock, convertible into one share of common stock for every one hundred shares of Series I convertible preferred stock, and 1.5 warrants to purchase one share of common stock for every one hundred shares of Series I convertible preferred stock The warrants included a cashless exercise provision that, upon becoming exercisable, the warrant holders could exercise at a $0.00 exercise price.
Net proceeds totaled approximately $9.4 million after deducting underwriting discounts and commissions and other costs associated with the offering and after giving effect to the underwriters’ full exercise of their overallotment option. 42 Table of Contents The offering was comprised of (1) 209,940 Class A Units, priced at a public offering price of $25 per Class A Unit, with each Class A Unit consisting of one share of common stock and 1.5 warrants to purchase one share of common stock at an exercise price of $25 per share, and (2) 23,157,124 Class B Units , priced at a public offering price of $0.25 per Class B Unit , with each Class B Unit consisting of one share of Series I convertible preferred stock, convertible into one share of common stock for every one hundred shares of Series I convertible preferred stock, and 1.5 warrants to purchase one share of common stock for every one hundred shares of Series I convertible preferred stock The warrants included a cashless exercise provision that upon becoming exercisable, the warrant holders could exercise at a $0.00 exercise price.
As a smaller reporting company pursuant to Rule 12b-2 of the Securities Exchange Act of 1934, as amended, these changes become effective for the Company on January 1, 2023.
As a smaller reporting company pursuant to Rule 12b-2 of the Securities Exchange Act of 1934, as amended, these changes become effective for the Company on January 1, 2023. The Company has adopted the new standard effective January 1, 2023, which didn’t have a material impact on the consolidated financial statements.
The CECL model does not have a minimum threshold for recognition of impairment losses and entities will need to measure expected credit losses on assets that have a low risk of loss.
The CECL model applies to most debt instruments, trade receivables, lease receivables, financial guarantee contracts, and other loan commitments. The CECL model does not have a minimum threshold for recognition of impairment losses and entities will need to measure expected credit losses on assets that have a low risk of loss.
See Note 4 to the consolidated financial statements included in Part II, Item 8 of this Annual Report on Form 10-K. 35 Table of Contents On August 21, 2020, we closed on an underwritten public offering of 10,647 shares of common stock and warrants to purchase 10,647 shares of common stock, which included the full exercise of the underwriter’s over-allotment option, for gross proceeds of approximately $14.4 million.
On August 21, 2020, we closed on an underwritten public offering of 10,647 shares of common stock and warrants to purchase 10,647 shares of common stock, which included the full exercise of the underwriter’s over-allotment option, for gross proceeds of approximately $14.4 million.
This reverse stock split did not change the par value of our common stock or the number of common or preferred shares authorized by our Certificate of Incorporation.
On December 9, 2022, we effected a 1-for-100 reverse split of our outstanding common stock. This reverse stock split did not change the par value of our common stock or the number of common or preferred shares authorized by our Certificate of Incorporation.
In addition, the exercise price of the common stock warrants issued in connection with the January 2020 Offering was reduced from $250 to $165, based on ”reset” provisions in the related warrant agreement. As of December 31, 2022 and 2021, cash, cash equivalents, and marketable securites were $18.3 million and $24.2 million, respectively.
In addition, the exercise price of the common stock warrants issued in connection with the January 2020 Offering was reduced from $250 to $165, based on ”reset” provisions in the related warrant agreement.
As of February 24, 2023 our certificate of incorporation provides for 100,000,000 shares of authorized common stock and 40,000,000 shares of authorized preferred stock, 30,000 of which are designated Series A Junior Participating Preferred Stock,127 of which are designated Series F Preferred Stock, and 1,049,280 of which represent Series I preferred stock outstanding, and we have 1,206,932 shares of common stock outstanding, 47,080 shares reserved for issuance upon the conversion, exercise or vesting of outstanding preferred stock, warrants and options, and 153,712 shares of common stock reserved for future grant under the Company’s equity incentive plans.
As of March 1, 2024 our Certification of Incorporation provides for 100,000,000 shares of authorized common stock and 40,000,000 shares of authorized preferred stock, 30,000 of which are designated Series A Junior Participating Preferred Stock, 18,000 of which are designated Series F Convertible Preferred Stock, and 600,000 of which are designated Series J Convertible Preferred Stock, and we have 6,801,443 shares of common stock outstanding, 2,376,920 shares reserved for issuance upon the conversion, exercise or vesting of outstanding preferred stock, warrants and options, and 1,459,336 shares of common stock reserved for future grant under the Company’s equity incentive plans.
Our most significant accounting policies are disclosed in Note 1 to the consolidated financial statements in Part II, Item 8 of this Annual Report on Form 10-K. The preparation of the consolidated financial statements, in conformity with U.S. GAAP, requires us to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes.
CRITICAL ACCOUNTING POLICIES AND ESTIMATES We have adopted various accounting policies to prepare the consolidated financial statements in accordance with accounting principles generally accepted in the United States of America (U.S. GAAP). Our most significant accounting policies are disclosed in Note 1 to the consolidated financial statements in Part II, Item 8 of this Annual Report on Form 10-K.
Management has evaluated the potential impact of these changes on the consolidated financial statements of the Company and does not anticipate the new standard will have a material impact on the Company’s consolidated financial statements. Information regarding new accounting pronouncements, when applicable, is included in Note 1 to the consolidated financial statements included in this Annual Report on Form 10-K.
Information regarding new accounting pronouncements, when applicable, is included in Note 1 to the consolidated financial statements included in this Annual Report on Form 10-K.
The fair value of the warrant liability is estimated using a Monte Carlo simulation model using relevant inputs and assumptions based upon the terms of the warrants. Loss per share Basic loss per share is computed based on the net loss for each period divided by the weighted average number of common shares outstanding.
Loss per Share Basic loss per share is computed based on the net loss for each period divided by the weighted average number of common shares outstanding.
The Company has concluded that its cash flows from the various long-lived assets are highly interrelated and, as a result, the Company consists of a single asset group. As the Company expects to continue incurring losses in the foreseeable future, the undiscounted cash flow step was therefore bypassed, and the Company proceeded to measure fair value of the asset group.
As the Company expects to continue incurring losses in the foreseeable future, the undiscounted cash flow step was therefore bypassed, and the Company proceeded to measure fair value of the asset group. The Company has determined the fair value of the asset group using its market capitalization determined with level 1 fair value inputs.
Net proceeds totaled approximately $9.4 million after deducting underwriting discounts and commissions and other costs associated with the offering and after giving effect to the underwriters’ full exercise of their overallotment option.
Net proceeds totaled approximately $2.1 million after deducting the underwriting discounts and commissions and other costs associated with the offering.
However, management is subject to Section 404(a) of the Sarbanes-Oxley Act of 2002 and is required to report annually on effectiveness of our internal control over financial reporting. 33 Table of Contents RECENT ACCOUNTING PRONOUNCEMENTS In June 2016, the FASB issued ASU 2016-13, “Financial Instruments – Credit Losses.” This ASU added a new impairment model (known as the current expected credit loss (“CECL”) model) that is based on expected losses rather than incurred losses.
RECENT ACCOUNTING PRONOUNCEMENTS In June 2016, the FASB issued ASU 2016-13, “Financial Instruments – Credit Losses.” This ASU added a new impairment model (known as the current expected credit loss (“CECL”) model) that is based on expected losses rather than incurred losses. Under the new guidance, an entity recognizes as an allowance its estimate of expected credit losses.
Assets to be disposed of are carried at the lower of their carrying value or fair value less costs to sell. Considerable management judgment is necessary to estimate the fair value of assets or asset groups, and accordingly, actual results could vary significantly from such estimates.
Assets to be disposed of are carried at the lower of their carrying value or fair value less costs to sell.
Our business strategy and ability to fund our operations in the future depends in part on our ability to grow the Aquadex Business by expanding our salesforce, selling our products to hospitals and other healthcare facilities, and controlling costs. We will likely need to seek additional financing in the future, which, to date, has been through offerings of our equity.
As of December 31, 2023, and 2022, cash, cash equivalents, and marketable securities were $3.8 million and $18.3 million, respectively. Our business strategy and ability to fund our operations in the future depends in part on our ability to grow the Aquadex Business by expanding our salesforce, selling our products to hospitals and other healthcare facilities, and controlling costs.
The cash provided from financing activities in both years was the result of proceeds received from the Company’s underwritten public offerings of equity securities.
Cash Flows from Financing Activities Net cash provided by financing activities was $3.7 million and $9.4 million in 2023 and 2022, respectively. The cash provided from financing activities in both years was the result of proceeds received from the Company’s underwritten public offerings of equity securities. In 2023, the Company also participated in an “At-the-Market Program” resulting in additional proceeds.
Sales during the twelve months ended December 31, 2022, increased from console sales to both new and existing customers, higher circuit sales, and higher service-related revenue.
Sales during the twelve months ended December 31, 2023, increased over the prior year due to higher circuit sales, service-related revenue, and International sales partially offset by a decrease in console sales.
The lease contains provisions for annual inflationary adjustments. Rent expense is being recorded on a straight-line basis over the term of the lease. The Company also entered into two finance leases in 2020 for computer hardware and audio-visual equipment with monthly payments of approximately $2,400 due through August 2023.
The lease contains provisions for annual inflationary adjustments. Rent expense is being recorded on a straight-line basis over the term of the lease.
The net loss allocable to common stockholders for the year ended December 31, 2021, includes a deemed dividend of $75,000 that resulted from the change in the exercise price of warrants as a result of the March 2021 and September 2021 offerings.
The net loss allocable to common stockholders for the year ended December 31, 2023, includes a deemed dividend from the Series J Convertible Preferred Stock of $2.3 million and a payment in kind dividend from the Series J Convertible Preferred Stock of $0.1 million.
The Company continues to report operating losses and negative cash flows from operations, both of which it considers to be indicators of potential impairment. Therefore, the Company evaluates its long-lived assets for potential impairment at each reporting period.
Therefore, the Company evaluates its long-lived assets for potential impairment at each reporting period. The Company has concluded that its cash flows from the various long-lived assets are highly interrelated and, as a result, the Company consists of a single asset group.
Cash Flows from Operating Activities Net cash used in operating activities was $15.1 million and $17.8 million in 2022 and 2021, respectively.
We will need to seek additional financing in the future, which, to date, has been through offerings of our equity. Cash Flows from Operating Activities Net cash used in operating activities was $17.9 million and $15.1 million in 2023 and 2022, respectively.
Selling, general and administrative expenses were also lower due to unfilled positions and non-recurring expenses in the prior year period. Research and Development The decrease in Research and Development (R&D) expenses over the prior year was primarily driven by expense of $428,160 in 2021 for a non-refundable technology license fee, as discussed in Note 10 – Commitments and Contingencies.
Selling, General and Administrative The decrease in selling, general and administrative expense primarily reflects decreased headcount and compensation related expenses during the year. Research and Development The increase in R&D expense over the prior year was primarily driven by spending related to ongoing development of our pediatric continuous renal replacement therapy device.