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CONDENSED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
CASH FLOWS FROM OPERATING ACTIVITIES    
Net loss $ (14,514) $ (10,000)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 114 107
Loss on disposal of property and equipment 0 0
Amortization of operating lease right-of-use assets 192 171
Unrealized foreign exchange losses (gains) 15 (158)
Stock-based compensation 911 322
Bad debt expense 0 11
Changes in operating assets and liabilities:    
Accounts receivable 245 167
Inventory (1,717) (413)
Prepaid expenses and other current assets (162) (939)
Other long-term assets (35) 0
Accounts payable (685) 408
Accrued expenses and other current liabilities 1,404 1,019
Deferred revenue (37) (35)
Operating lease liabilities (200) (172)
Net cash used in operating activities (14,469) (9,512)
CASH FLOWS FROM INVESTING ACTIVITIES    
Purchases of property and equipment (48) (70)
Net cash used in investing activities (48) (70)
CASH FLOWS FROM FINANCING ACTIVITIES    
Proceeds from promissory note issuance 0 1,000
Proceeds from Private Placement 14,000 0
Payment of Private Placement issuance costs (600) 0
Payment of constructive dividend (12) 0
Proceeds from exercises of options on common stock and warrants 121 202
Net cash provided by financing activities 13,509 1,202
Net decrease in cash and cash equivalents (1,008) (8,380)
Effect of exchange rate changes on cash and cash equivalents (27) 127
Cash and cash equivalents at beginning of period 10,112 9,319
Cash and cash equivalents at end of period 9,077 1,066
SUPPLEMENTAL CASH FLOW DISCLOSURES    
Cash paid for income taxes $ 11 $ 7