Consolidated Statements of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2019	19,238
Balance at Dec. 31, 2019	$ 80,606	$ 9,184	$ (46,300)	$ (20,798)	$ 22,692
Share-based compensation expense		676			676
Issuance of shares for incentive plan (in shares)	68
Issuance of shares for incentive plan	$ 865				865
Vested restricted stock issued (in shares)	60
Vested restricted stock issued	$ 676	(676)			0
Shares canceled to pay tax liability (in shares)	(54)
Shares canceled to pay tax liability	$ (662)				(662)
Pension, net of income taxes of $0				(900)	(900)
Net loss			(2,604)		(2,604)
Other comprehensive income-pension				(900)	(900)
Balance (in shares) at Dec. 31, 2020	19,312
Balance at Dec. 31, 2020	$ 81,485	9,184	(48,904)	(21,698)	20,067
Share-based compensation expense		705			705
Issuance of shares for incentive plan (in shares)	60
Issuance of shares for incentive plan	$ 748				748
Vested restricted stock issued (in shares)	59
Vested restricted stock issued	$ 705	(705)			0
Shares canceled to pay tax liability (in shares)	(48)
Shares canceled to pay tax liability	$ (560)				(560)
Pension, net of income taxes of $0				6,050	6,050
Net loss			(3,420)		(3,420)
Other comprehensive income-pension				6,050	6,050
Balance (in shares) at Dec. 31, 2021	19,383
Balance at Dec. 31, 2021	$ 82,378	$ 9,184	$ (52,324)	$ (15,648)	$ 23,590