v3.25.2
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Cash flows from operating activities    
Net loss $ (127) $ (95)
Adjustments to reconcile net loss to net cash used in operating activities:    
Stock-based compensation 161 266
Depreciation and amortization 109 99
Non-cash operating lease expense 150 97
Interest expense on related party note payable 75 66
Change in inventory reserve 55 49
Impairment of intangible assets   2
Changes in operating assets and liabilities:    
Accounts receivable (43) (236)
Inventories (470) (175)
Prepaid expenses and other current assets (146) (208)
Accounts payable 211 13
Accrued liabilities 124 85
Operating lease liabilities (172) (133)
Net cash used in operating activities (73) (170)
Cash flows from investing activities    
Purchases of property and equipment (37) (128)
Net cash used in investing activities (37) (128)
Cash flows from financing activities    
Payments on related party note payable (200)  
Net cash used in financing activities (200)  
Net decrease in cash (310) (298)
Cash, beginning of period 1,230 1,588
Cash, end of period 920 1,290
Supplemental disclosure of non-cash operating activities:    
Operating lease right-of-use asset obtained in exchange for operating lease liabilities 302  
Supplemental disclosure of non-cash investing activities:    
Payments for patent licenses included in accrued liabilities   1
Supplemental disclosure of cash flow information:    
Cash paid for interest $ 5 $ 5