Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock, Common [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
BALANCE (in shares) at Dec. 31, 2022	6,349		668
BALANCE at Dec. 31, 2022	$ 32	$ 34,275	$ (10,082)	$ (11,820)	$ (1,634)	$ 10,771
Shares issued – vested (in shares)	62
Shares issued – vested	$ 0	(1)	0	0	0	61
Stock-based compensation	0	320	0	0	0	320
Net loss	$ 0	0	$ 0	(1,110)	0	(1,110)
BALANCE (in shares) at Jun. 30, 2023	6,411		668
BALANCE at Jun. 30, 2023	$ 32	34,540	$ (10,082)	(13,729)	(1,634)	9,127
Tax withholding related to vested shares from employee stock plans	0	(54)	0	0	0	(54)
Cash dividends	$ 0	0	$ 0	(799)	0	(799)
BALANCE (in shares) at Mar. 31, 2023	6,354		668
BALANCE at Mar. 31, 2023	$ 32	34,452	$ (10,082)	(12,602)	(1,634)	10,166
Shares issued – vested (in shares)	57
Shares issued – vested	$ 0	(1)	0	0	0	56
Stock-based compensation	0	143	0	0	0	143
Net loss	$ 0	0	$ 0	(726)	0	(726)
BALANCE (in shares) at Jun. 30, 2023	6,411		668
BALANCE at Jun. 30, 2023	$ 32	34,540	$ (10,082)	(13,729)	(1,634)	9,127
Tax withholding related to vested shares from employee stock plans	0	(54)	0	0	0	(54)
Cash dividends	$ 0	0	$ 0	(401)	0	(401)
BALANCE (in shares) at Dec. 31, 2023	6,474		668
BALANCE at Dec. 31, 2023	$ 32	35,129	$ (10,082)	(16,773)	(1,634)	6,672
Exercise of stock options						0
Shares issued – vested		12				12
Stock-based compensation		572				572
Net loss				(1,515)		(1,515)
BALANCE (in shares) at Jun. 30, 2024	6,492		668
BALANCE at Jun. 30, 2024	$ 32	35,713	$ (10,082)	(18,288)	(1,634)	5,741
BALANCE (in shares) at Mar. 31, 2024	6,474		668
BALANCE at Mar. 31, 2024	$ 32	35,426	$ (10,082)	(17,461)	(1,634)	6,281
Exercise of stock options						0
Shares issued – vested (in shares)	18
Shares issued – vested		12				12
Stock-based compensation		275				275
Net loss				(827)		(827)
BALANCE (in shares) at Jun. 30, 2024	6,492		668
BALANCE at Jun. 30, 2024	$ 32	$ 35,713	$ (10,082)	$ (18,288)	$ (1,634)	$ 5,741