CONDENSED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from (used in) operating activities
Net income (loss)	$ 11	$ (44)
Adjustments to reconcile net income (loss) to net cash from (used in) operating activities:
Depreciation and amortization	24	24
Deferred income taxes	19	(50)
Stock-based compensation expense	29	0
Change in:
Trade receivables	164	(211)
Inventories	(60)	(34)
Other current assets	(39)	(1)
Accounts payable	(102)	83
Accrued expenses	171	73
Income tax payable	(15)	48
Net cash from (used in) operating activities	202	(112)
Cash flows used in investing activities
Purchase of property and equipment	0	(1)
Net cash used in investing activities	0	(1)
Cash flows used in financing activities
Payments on financing lease	0	(2)
Net cash used in financing activities	0	(2)
Net increase (decrease) in cash and cash equivalents	202	(115)
Cash and cash equivalents, beginning	9,870	9,626
Cash and cash equivalents, ending	10,072	9,511
Supplemental cash flow information
Cash paid for income taxes	$ 0	$ 0