CONSOLIDATED STATEMENTS OF STOCKHOLDERS EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated other comprehensive loss	Retained Earnings (Accumulated Deficit)
Balance, Shares at Dec. 31, 2020		3,770,752
Balance, Amount at Dec. 31, 2020	$ 28,142	$ 4	$ 22,214	$ (19)	$ 5,943
Stock-based Compensation Expense	63	$ 0	63	0	0
Exercise Of Stock Awards, Net Of Tax, Shares		15,000
Exercise Of Stock Awards, Net Of Tax, Amount	$ 199	$ 0	199	0	0
Stock Repurchase And Retirement (see Note 3), Shares	179,845	19,777
Stock Repurchase And Retirement (see Note 3), Amount	$ (452)	$ 0	(452)	0	0
Foreign Currency Translation	3	0	0	3	0
Net Income	545	$ 0	0	0	545
Balance, Shares at Mar. 31, 2021		3,765,975
Balance, Amount at Mar. 31, 2021	28,500	$ 4	22,024	(16)	6,488
Balance, Shares at Dec. 30, 2021		3,793,538
Balance, Amount at Dec. 30, 2021	31,620	$ 4	22,401	(19)	9,234
Stock-based Compensation Expense	184	$ 0	184	0	0
Exercise Of Stock Awards, Net Of Tax, Shares		7,500
Exercise Of Stock Awards, Net Of Tax, Amount	58	$ 0	58	0	0
Stock Repurchase And Retirement (see Note 3), Shares		6,200
Stock Repurchase And Retirement (see Note 3), Amount	(182)	$ 0	(182)	0	0
Foreign Currency Translation	7	0	0	7	0
Net Income	516	$ 0	0	0	516
Balance, Shares at Mar. 31, 2022		3,794,838
Balance, Amount at Mar. 31, 2022	32,203	$ 4	22,461	(12)	9,750
Balance, Amount at Dec. 31, 2021	31,620
Net Income	516
Balance, Shares at Mar. 31, 2022		3,794,838
Balance, Amount at Mar. 31, 2022	$ 32,203	$ 4	$ 22,461	$ (12)	$ 9,750