Statements Of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities
Net income	$ 446	$ 275
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	92	94
Deferred income taxes	(146)	(99)
Stock-based compensation expense	132	67
Change in:
Trade receivables	(26)	(122)
Inventories	(213)	(6)
Other current assets	(18)	35
Accounts payable	(145)	17
Accrued expenses	42	(27)
Income taxes payable	(35)	87
Net cash from operating activities	129	321
Cash flows used in investing activities
Purchase of property and equipment	(51)	(70)
Net cash used in investing activities	(51)	(70)
Cash flows used in financing activities
Payments on financing lease	0	(6)
Net cash used in financing activities	0	(6)
Net increase in cash and cash equivalents	78	245
Cash and cash equivalents, beginning	9,870	9,625
Cash and cash equivalents, ending	9,948	9,870
Supplemental cash flow information
Cash paid during the year for income taxes	171	115
Cash paid during the year for interest	$ 0	$ 1