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	$ (3,021)	$ (4,968)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation	236	284
Amortization	1,593	1,484
Stock-based compensation	1,510	2,253
Deferred tax liability	3	19
Amortization of prepaid assets	0	132
Accrual of property and equipment	0	22
Changes in operating assets and liabilities:
Trade accounts receivable	(155)	(1,267)
Inventories	236	(740)
Prepaid expenses and other current assets	365	312
Other assets	(1)	6
Accounts payable	(2,438)	(628)
Accrued compensation	(688)	379
Accrued liabilities and other	1,134	432
Lease liabilities	330	(42)
Net cash used in operating activities	(896)	(2,322)
Cash flows from investing activities:
Purchases of property and equipment	(58)	(150)
Net cash used in investing activities	(58)	(150)
Cash flows from financing activities:
Proceeds from at-the-market common stock offering, net of offering costs	0	3,006
Payments for withholding taxes related to net share settlement of equity awards	(191)	(95)
Proceeds from employee stock purchase and option exercises	308	101
Net cash provided by financing activities	117	3,012
Effect of exchange rate changes on cash, cash equivalents and restricted cash	5	(5)
Net (decrease) increase in cash, cash equivalents and restricted cash	(832)	535
Cash, cash equivalents, and restricted cash; beginning of period	8,565	7,976
Cash, cash equivalents, and restricted cash; end of period	7,733	8,511
Supplemental disclosure of cash flow information:
Income taxes paid	25	38
Income taxes refunded	1	50
Supplemental disclosure of non-cash investing and financing activities:
Operating lease liabilities resulting from right-of-use assets	519	179
Accrued offering costs charged against proceeds from sale of common stock	0	10
Cash, cash equivalents, and restricted cash:
Cash and cash equivalents	7,678	8,416
Restricted cash included in prepaid expenses and other current assets and other assets long term	55	95
Total cash, cash equivalents, and restricted cash	$ 7,733	$ 8,511