v3.26.1
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Cash flows from operating activities    
Net loss $ (291) $ (127)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Stock-based compensation 123 161
Depreciation and amortization 61 109
Non-cash operating lease expense 169 150
Interest expense on related party note payable 66 75
Change in inventory reserve 23 55
Impairment of intangible assets 111 0
Changes in operating assets and liabilities:    
Accounts receivable (236) (43)
Inventories (221) (470)
Prepaid expenses and other current assets (6) (146)
Accounts payable 142 211
Accrued liabilities 541 124
Operating lease liabilities (194) (172)
Net cash provided by (used in) operating activities 288 (73)
Cash flows from investing activities    
Purchases of property and equipment (30) (37)
Payments for patent licenses (12)  
Net cash used in investing activities (42) (37)
Cash flows from financing activities    
Payments on related party note payable (150) (200)
Net cash used in financing activities (150) (200)
Net increase (decrease) in cash 96 (310)
Cash, beginning of period 993 1,230
Cash, end of period 1,089 920
Supplemental disclosure of non-cash operating activities:    
Operating lease right-of-use asset obtained in exchange for operating lease liabilities   302
Supplemental disclosure of cash flow information:    
Cash paid for interest $ 3 $ 5