Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2020	6,205		668
Balance at Dec. 31, 2020	$ 31	$ 32,803	$ (10,082)	$ (8,606)	$ (1,634)	$ 12,512
Shares issued – vested (in shares)	4		0
Stock compensation expense	$ 0	386	$ 0	0	0	386
Net (loss) income	$ 0	0	$ 0	217	0	217
Balance (in shares) at Jun. 30, 2021	6,209		668
Balance at Jun. 30, 2021	$ 31	33,189	$ (10,082)	(8,389)	(1,634)	13,115
Balance (in shares) at Mar. 31, 2021	6,205		668
Balance at Mar. 31, 2021	$ 31	33,020	$ (10,082)	(8,523)	(1,634)	12,812
Shares issued – vested (in shares)	4		0
Stock compensation expense	$ 0	169	$ 0	0	0	169
Net (loss) income	$ 0	0	$ 0	134	0	134
Balance (in shares) at Jun. 30, 2021	6,209		668
Balance at Jun. 30, 2021	$ 31	33,189	$ (10,082)	(8,389)	(1,634)	13,115
Balance (in shares) at Dec. 31, 2021	6,257		668
Balance at Dec. 31, 2021	$ 31	33,478	$ (10,082)	(9,550)	(1,634)	$ 12,243
Exercise of stock options (in shares)	1		0			1
Exercise of stock options	$ 0	4	$ 0	0	0	$ 4
Shares issued – vested (in shares)	36		0
Tax withholding related to vested shares from employee stock plans	$ 0	(36)	$ 0	0	0	(36)
Stock compensation expense	0	417	0	0	0	417
Cash dividends declared	0	0	0	(393)	0	(393)
Net (loss) income	$ 0	0	$ 0	(299)	0	(299)
Balance (in shares) at Jun. 30, 2022	6,294		668
Balance at Jun. 30, 2022	$ 31	33,863	$ (10,082)	(10,242)	(1,634)	11,936
Balance (in shares) at Mar. 31, 2022	6,259		668
Balance at Mar. 31, 2022	$ 31	33,657	$ (10,082)	(9,511)	(1,634)	12,461
Exercise of stock options (in shares)	1		0
Exercise of stock options	$ 0	4	$ 0	0	0	4
Shares issued – vested (in shares)	34		0
Tax withholding related to vested shares from employee stock plans	$ 0	(36)	$ 0	0	0	(36)
Stock compensation expense	0	238	0	0	0	238
Cash dividends declared	0	0	0	(393)	0	(393)
Net (loss) income	$ 0	0	$ 0	(338)	0	(338)
Balance (in shares) at Jun. 30, 2022	6,294		668
Balance at Jun. 30, 2022	$ 31	$ 33,863	$ (10,082)	$ (10,242)	$ (1,634)	$ 11,936