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, 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)
Other comprehensive income-pension				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
Share-based compensation expense		855			855
Issuance of shares for incentive plan (in shares)	49
Issuance of shares for incentive plan	$ 494				494
Vested restricted stock issued (in shares)	78
Vested restricted stock issued	$ 855	(855)			0
Shares canceled to pay tax liability (in shares)	(33)
Shares canceled to pay tax liability	$ (335)				(335)
Other comprehensive income-pension				7,381	7,381
Net loss			1,787		1,787
Other comprehensive income-pension				7,381	7,381
Balance (in shares) at Dec. 31, 2022	19,477
Balance at Dec. 31, 2022	$ 83,392	$ 9,184	$ (50,537)	$ (8,267)	$ 33,772