CONDENSED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash flows from (used in) operating activities
Net loss	$ (116)	$ (64)
Adjustments to reconcile net loss to net cash from (used in) operating activities:
Depreciation	21	23
Deferred income taxes	(31)	41
Stock-based compensation expense	26	31
Change in allowance for credit losses	0	5
Change in:
Trade receivables	11	(201)
Inventories	(52)	(46)
Other current assets	(67)	(36)
Accounts payable	20	160
Accrued expenses	256	115
Income tax payable/receivable	0	(58)
Net cash from (used in) operating activities	68	(30)
Cash flows used in investing activities
Purchase of property and equipment	(28)	0
Net cash used in investing activities	(28)	0
Cash flows from financing activities
Proceeds from exercise of stock options	171	0
Net cash from financing activities	171	0
Net increase (decrease) in cash and cash equivalents	211	(30)
Cash and cash equivalents, beginning	10,545	9,948
Cash and cash equivalents, ending	10,756	9,918
Supplemental cash flow information
Cash paid for income taxes	0	0
Cash paid for interest	$ 3	$ 0