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)	121		0
Shares issued – vested	$ 0	(1)	$ 0	0	0	(1)
Stock-based compensation	0	721	0	0	0	721
Net loss	0	0	0	(3,209)	0	(3,209)
Tax withholding related to vested shares from employee stock plans	0	(54)	0	0	0	(54)
Cash dividends ($0.07 per share)	$ 0	0	$ 0	(799)	0	(799)
BALANCE (in shares) at Sep. 30, 2023	6,470		668
BALANCE at Sep. 30, 2023	$ 32	34,941	$ (10,082)	(15,828)	(1,634)	7,429
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
Shares issued – vested (in shares)	59		0
Shares issued – vested	$ 0	0	$ 0	0	0	0
Stock-based compensation	0	401	0	0	0	401
Net loss	$ 0	0	$ 0	(2,099)	0	(2,099)
BALANCE (in shares) at Sep. 30, 2023	6,470		668
BALANCE at Sep. 30, 2023	$ 32	34,941	$ (10,082)	(15,828)	(1,634)	7,429
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
Shares issued – vested (in shares)	89		0
Shares issued – vested	$ 0	0	$ 0	0	0	0
Tax withholding related to vested shares from employee stock plans	0	25	0	0	0	25
Stock-based compensation	0	799	0	0	0	799
Net loss	$ 0	0	$ 0	(2,050)	0	(2,050)
BALANCE (in shares) at Sep. 30, 2024	6,563		668
BALANCE at Sep. 30, 2024	$ 32	35,953	$ (10,082)	(18,823)	(1,634)	5,446
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
Shares issued – vested (in shares)	71		0
Shares issued – vested	$ 0		$ 0	0	0	0
Tax withholding related to vested shares from employee stock plans		12				12
Stock-based compensation	0	228	0	0	0	228
Net loss	$ 0	0	$ 0	(535)	0	(535)
BALANCE (in shares) at Sep. 30, 2024	6,563		668
BALANCE at Sep. 30, 2024	$ 32	$ 35,953	$ (10,082)	$ (18,823)	$ (1,634)	$ 5,446