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Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Cash flows from operating activities    
Net loss $ (9,865) $ (18,900)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 434 457
Provision for inventory obsolescence 205 61
Loss on disposal of property and equipment 19 48
Stock-based compensation 1,501 3,175
Allowance for credit losses 286 146
Non-cash lease expense 68 86
Non-cash interest expense 714 668
Changes in operating assets and liabilities:    
Trade receivables 2,577 879
Prepaid expenses and other assets 9 542
Inventories (1,585) 902
Accounts payable 510 (819)
Accrued expenses and other liabilities (344) (2,355)
Net cash used in operating activities (5,471) (15,110)
Cash flows from investing activities    
Purchases of property and equipment (839) (477)
Net cash used in investing activities (839) (477)
Cash flows from financing activities    
Repayment of finance lease liabilities (14) (15)
Contributions from non-controlling interest 60 0
Net cash provided by (used in) financing activities 95 (15)
Net change in cash and cash equivalents (6,606) (15,639)
Cash and cash equivalents, beginning of period 31,741 43,652
Cash and cash equivalents, end of period 25,135 28,013
Proceeds from stock option exercises 49 0
Effect of exchange rates on cash (391) (37)
Cash paid for:    
Interest 3,472 3,579
Income taxes $ 80 $ 211