v3.25.4
Consolidated Statements of Cash Flows - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Cash flows from operating activities:    
Net loss $ (6,426,000) $ (8,688,000)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation 463,000 548,000
Amortization of intangible assets 3,235,000 3,029,000.000
Stock-based compensation 2,964,000 4,635,000
Deferred tax liability 23,000 11,000
Amortization of prepaid assets 0 132,000
Changes in operating assets and liabilities:    
Trade accounts receivable (1,104,000) (4,297,000)
Inventories 372,000 (1,549,000)
Prepaid expenses and other current assets (346,000) (316,000)
Other assets (12,000) 96,000
Accounts payable (285,000) 2,928,000
Accrued compensation (508,000) 668,000
Accrued liabilities and other (26,000) (576,000)
Lease liabilities 537,000 (148,000)
Net cash used in operating activities (1,113,000) (3,527,000)
Cash flows from investing activities:    
Purchases of property and equipment (166,000) (178,000)
Purchases of intellectual property (223,000) 0
Net cash used in investing activities (389,000) (178,000)
Cash flows from financing activities:    
Proceeds from at-the-market common stock offering, net of offering costs 167,000 4,116,000
Payments for withholding taxes related to net share settlement of equity awards (191,000) (94,000)
Issuance of shares for stock purchase and option plans 374,000 279,000
Net cash provided by financing activities 350,000 4,301,000
Effect of foreign currency exchange rate changes on cash, cash equivalents and restricted cash 0 (7,000)
Net (decrease) increase in cash, cash equivalents and restricted cash (1,152,000) 589,000
Cash, cash equivalents, and restricted cash; beginning of period 8,565,000 7,976,000
Cash, cash equivalents, and restricted cash; end of period 7,413,000 8,565,000
Supplemental disclosure of cash flow information:    
Income taxes refunded, net   17,000
Income taxes (paid), net (55,000) 17,000
Supplemental disclosure of non-cash investing and financing activities:    
Operating lease liabilities resulting from right-of-use assets 912,000 3,729,000
Accrual of intellectual property 0 581,000
Cash and cash equivalents 7,358,000 8,510,000
Restricted cash included in other assets 55,000 55,000
Total cash, cash equivalents, and restricted cash $ 7,413,000 $ 8,565,000

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