| • | Fourth quarter revenue of $2.4 million, a 4% increase compared to the prior-year quarter and 9% increase sequentially. |
| • | 208% increase in U.S. console sales in Q4 versus prior year quarter. |
| • | Heart Failure revenue increased 48% and Pediatrics increased 16% year-over-year in Q4. |
| • | Gross margin of 68.2% in Q4, compared to 58.4% in the prior-year quarter. |
| • | Closed a $5.0 million private placement and warrant inducement transaction in January 2026, strengthening the Company’s capital position. |
| • | Appointed Carisa Schultz as Chief Financial Officer, effective February 2, 2026. |
| • | Executed a definitive stock purchase agreement to acquire Rendiatech, expanding the Company’s cardiorenal portfolio. |
| December 31, 2025 | December 31, 2024 | |||||||
| ASSETS | ||||||||
| Current assets | ||||||||
| Cash and cash equivalents | $ | 1,085 | $ | 5,095 | ||||
| Accounts receivable | 1,493 | 1,727 | ||||||
| Inventories, net | 1,910 | 1,718 | ||||||
| Other current assets | 698 | 315 | ||||||
| Total current assets | 5,186 | 8,855 | ||||||
| Property, plant and equipment, net | 368 | 478 | ||||||
| Operating lease right-of-use asset | 293 | 510 | ||||||
| Other assets | 271 | 21 | ||||||
| TOTAL ASSETS | $ | 6,118 | $ | 9,864 | ||||
| LIABILITIES, CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY | ||||||||
| Current liabilities | ||||||||
| Accounts payable and accrued liabilities | $ | 2,226 | $ | 1,640 | ||||
| Accrued compensation | 460 | 640 | ||||||
| Current portion of operating lease liability | 261 | 238 | ||||||
| Other current liabilities | 85 | 41 | ||||||
| Total current liabilities | 3,032 | 2,559 | ||||||
| Warrant liabilities | 389 | 468 | ||||||
| Operating lease liability | 67 | 307 | ||||||
| Total liabilities | 3,488 | 3,334 | ||||||
| Commitments and contingencies | ||||||||
| Mezzanine Equity Series J Convertible Preferred Stock as of December 31, 2025 and December 31, 2024, par value $0.0001 per share; authorized 600,000 shares, issued and outstanding 127 and 102, respectively | 6 | 2 | ||||||
| Stockholders’ equity | ||||||||
| Series A junior participating preferred stock as of December 31, 2025 and December 31, 2024, par value $0.0001 per share; authorized 30,000 shares, none outstanding | — | — | ||||||
| Series F convertible preferred stock as of December 31, 2025 and December 31, 2024, par value $0.0001 per share; authorized 18,000 shares, issued and outstanding 27 and 127 shares, respectively. | — | — | ||||||
| Series F-1 convertible preferred stock as of December 31, 2025 and December 31,2024, par value $0.0001 per share; authorized 100 shares, issued and outstanding 34 and 0 shares, respectively | — | — | ||||||
| Preferred stock as of December 31, 2025 and December 31, 2024, par value $0.0001 per share; authorized 39,352,000 shares, none outstanding | — | — | ||||||
| Common stock as of December 31, 2025 and December 31, 2024, par value $0.0001 per share; authorized 100,000,000 shares, issued and outstanding 1,686,217 and 104,142, respectively | — | — | ||||||
| Additional paid‑in capital | 318,928 | 305,366 | ||||||
| Accumulated other comprehensive income: | ||||||||
| Foreign currency translation adjustment | 8 | (47 | ) | |||||
| Accumulated deficit | (316,312 | ) | (298,791 | ) | ||||
| Total stockholders’ equity | 2,624 | 6,528 | ||||||
| TOTAL LIABILITIES, CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY | $ | 6,118 | $ | 9,864 | ||||
| Three months ended December 31 | Twelve months ended December 31 | |||||||||||||||
| 2025 | 2024 | 2025 | 2024 | |||||||||||||
| Net sales | $ | 2,424 | $ | 2,322 | $ | 8,270 | $ | 8,740 | ||||||||
| Cost of goods sold | 770 | 967 | 3,146 | 3,064 | ||||||||||||
| Gross profit | 1,654 | 1,355 | 5,124 | 5,676 | ||||||||||||
| Operating expenses: | ||||||||||||||||
| Selling, general and administrative | 3,213 | 2,911 | 13,518 | 13,455 | ||||||||||||
| Research and development | 884 | 831 | 2,712 | 3,209 | ||||||||||||
| Total operating expenses | 4,097 | 3,742 | 16,230 | 16,664 | ||||||||||||
| Loss from operations | (2,443 | ) | (2,387 | ) | (11,106 | ) | (10,988 | ) | ||||||||
| Other income (expense), net | (11 | ) | 7 | 10 | (80 | ) | ||||||||||
| Gain on settlement | — | 900 | — | 900 | ||||||||||||
| Financing expense | — | — | (10,553 | ) | (5,607 | ) | ||||||||||
| Change in fair value of warrant liabilities | 32 | 13 | 4,133 | 4,615 | ||||||||||||
| Income (loss) before income taxes | (2,422 | ) | (1,467 | ) | (17,516 | ) | (11,160 | ) | ||||||||
| Income tax expense | — | (1 | ) | (5 | ) | (5 | ) | |||||||||
| Net income (loss) | $ | (2,422 | ) | $ | (1,468 | ) | $ | (17,521 | ) | $ | (11,165 | ) | ||||
| Deemed dividend attributable to Series J Convertible Preferred Stock | 1 | — | 4 | 541 | ||||||||||||
| Net income (loss) attributable to common shareholders | $ | (2,421 | ) | $ | (1,468 | ) | $ | (17,517 | ) | $ | (10,624 | ) | ||||
| Basic and diluted income (loss) per share | $ | (1.50 | ) | $ | (18.30 | ) | $ | (25.39 | ) | $ | (353.30 | ) | ||||
| Weighted average shares outstanding – basic and diluted | 1,614,214 | 80,015 | 690,145 | 31,601 | ||||||||||||
| Other comprehensive loss: | ||||||||||||||||
| Net income (loss) | $ | (2,422 | ) | $ | (1,468 | ) | $ | (17,521 | ) | $ | (11,165 | ) | ||||
| Foreign currency translation adjustments | $ | 62 | $ | (1 | ) | $ | 55 | ) | $ | (16 | ) | |||||
| Total comprehensive income (loss) | $ | (2,360 | $ | (1,469 | ) | $ | (17,466 | ) | $ | (11,181 | ) | |||||
| Twelve months ended December 31 | ||||||||
| 2025 | 2024 | |||||||
| Operating Activities: | ||||||||
| Net loss | $ | (17,521 | ) | $ | (11,165 | ) | ||
| Adjustments to reconcile net loss to cash flows used in operating activities: | ||||||||
| Depreciation and amortization | 200 | 310 | ||||||
| Stock-based compensation expense | 127 | 478 | ||||||
| Change in fair value of warrant liabilities | (4,133 | ) | (4,615 | ) | ||||
| Loss on disposal of intangible asset | — | 99 | ||||||
| Financing expense | 10,553 | 5,607 | ||||||
| Amortization of operating lease right-of-use asset | 217 | — | ||||||
| Changes in operating assets and liabilities: | ||||||||
| Accounts receivable | 234 | 224 | ||||||
| Inventory, net | (192 | ) | 279 | |||||
| Other current assets | (528 | ) | (160 | ) | ||||
| Other assets and liabilities | (173 | ) | (22 | ) | ||||
| Accounts payable and accrued expenses | 406 | (626 | ) | |||||
| Net cash used in operating activities | (10,810 | ) | (9,591 | ) | ||||
| Investing Activities: | ||||||||
| Purchases of property and equipment | (90 | ) | (60 | ) | ||||
| Net cash used in investing activities | (90 | ) | (60 | ) | ||||
| Financing Activities: | ||||||||
| Issuance of common stock and warrants from offering, net | 3,999 | 2,403 | ||||||
| Issuance of common stock from ATM, net | 2,941 | — | ||||||
| Proceeds from the exercise of Series J Convertible Preferred Warrants | — | 501 | ||||||
| Proceeds from the exercise of April 2024 Warrants | — | 2,246 | ||||||
| Issuance of July and August 2024 Common Stock and Warrants | — | 2,160 | ||||||
| Proceeds from warrant inducement in November 2024, net | — | 3,364 | ||||||
| Proceeds from the exercise of warrants, net | — | 288 | ||||||
| Net cash provided by financing activities | 6,940 | 10,962 | ||||||
| Effect of exchange rate changes on cash | 55 | (16 | ) | |||||
| Net decrease in cash, cash equivalents and restricted cash | (3,905 | ) | 1,295 | |||||
| Cash, cash equivalents and restricted cash - beginning of period | 5,095 | 3,800 | ||||||
| Cash, cash equivalents and restricted cash - end of period | $ | 1,190 | $ | 5,095 | ||||
| Reclassification of April 2024 warrants to equity | $ | — | $ | 4,217 | ||||
| Issuance of Series J Preferred Stock for exercise of Warrants | $ | — | $ | 1,857 | ||||
| Series A warrants conversion to equity | $ | 8,440 | $ | — | ||||
| Series B warrant exercises | $ | 2,055 | $ | — | ||||
| Issuance of Common Stock for conversion of Series J Preferred Stock | $ | — | $ | 1,535 | ||||
| Issuance of Common Stock for conversion of Series F-1 Preferred Stock | $ | 1,100 | $ | — | ||||
| Deemed dividend on Series J Preferred Stock | $ | 4 | $ | 541 |
| Cash paid for income taxes | $ | 7 | $ | 7 |