Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Operating Activities
Net loss	$ (1,125)	$ (60)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation	490	248
Amortization	27	42
Non-cash interest income on held-to-maturity securities	(91)	(109)
Stock-based compensation, net of forfeitures	269	337
Changes in operating assets and liabilities:
Accounts receivable	3,066	(845)
Employee retention credit receivable	1,677	(1,677)
Inventory	(4)	(3)
Prepaid expenses, other current assets and other non-current assets	318	655
Accounts payable	(560)	842
Accrued liabilities and other non-current liabilities	516	(1,215)
Net cash provided by (used in) operating activities	4,583	(1,785)
Investing Activities
Purchases of equipment and patents	(231)	(316)
Purchases of debt securities	(10,004)	(14,072)
Maturities of debt securities	11,000	11,000
Net cash provided by (used in) investing activities	765	(3,388)
Financing Activities
Taxes paid on behalf of equity award participants	(222)	(95)
Net cash used in financing activities	(222)	(95)
Net increase (decrease) in cash and cash equivalents	5,167	(5,304)
Cash and cash equivalents at beginning of period	8,510	17,578
Cash and cash equivalents at end of period	13,677	12,274
Effect of exchange rate fluctuations on cash	$ 41	$ (36)