Consolidated Statements of Shareholders' Equity - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2022	12,226,306
Balance at Dec. 31, 2022	$ 123,000	$ 17,099,000	$ 45,025,000	$ (1,489,000)	$ 60,758,000
Common stock repurchased and retired (in shares)	(951,010)				(951,010)
Common stock repurchased and retired	$ (10,000)	(1,330,000)	(2,662,000)	0	$ (4,002,000)
Cancellation of stock options	$ 0	(23,000)	0	0	(23,000)
Treasury stock excise tax		(40,000)	0	0	$ (40,000)
Options exercised (in shares)	140,916				140,916
Options exercised	$ 1,000		0	0	$ 464,000
Stock-based compensation expense		170,000		0	170,000
Total comprehensive income	$ 0	0	4,189,000	52,000	$ 4,241,000
Balance (in shares) at Dec. 31, 2023	11,416,212				11,416,212
Balance at Dec. 31, 2023	$ 114,000	16,339,000	46,552,000	(1,437,000)	$ 61,568,000
Common stock repurchased and retired (in shares)	(831,000)				(831,000)
Common stock repurchased and retired	$ (8,000)	(1,220,000)	(3,224,000)		$ (4,452,000)
Treasury stock excise tax		(44,000)			$ (44,000)
Options exercised (in shares)	231,666				231,666
Options exercised		830,000		0	$ 832,000
Stock-based compensation expense		463,000	0	0	463,000
Total comprehensive income	$ 0	0	3,929,000	(62,000)	$ 3,867,000
Balance (in shares) at Dec. 31, 2024	10,816,878				10,816,878
Balance at Dec. 31, 2024	$ 108,000	$ 16,368,000	$ 47,257,000	$ (1,499,000)	$ 62,234,000