CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Common stock and additional paid-in capital	Treasury stock:	Accumulated other comprehensive (loss) income	Retained Earnings
Beginning Balance (in shares) at Dec. 31, 2021		2,707	3,694
Beginning Balance at Dec. 31, 2021	$ 39,316		$ 489,253	$ (15,329)	$ (85)	$ (434,523)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	3,019					3,019
Other comprehensive (loss)/income					137
Purchase of treasury stock (in shares)				0
Purchase of treasury stock				$ 0
Purchase of restricted stock from employees (in shares)				(7)
Purchase of net settled restricted stock from employees				$ (226)
Stock-based compensation (in shares)			105
Stock-based compensation			$ 546
Ending Balance (in shares) at Mar. 31, 2022		2,805	3,799
Ending Balance at Mar. 31, 2022	$ 42,792		$ 489,799	$ (15,555)	52	(431,504)
Beginning balance, treasury stock (in shares) at Dec. 31, 2021				(987)
Ending balance, treasury stock (in shares) at Mar. 31, 2022				(994)
Beginning Balance (in shares) at Dec. 31, 2022	2,824	2,794	3,823
Beginning Balance at Dec. 31, 2022	$ 45,792		$ 491,571	$ (16,746)	(1,639)	(427,394)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	$ 354					354
Other comprehensive (loss)/income					(9)
Purchase of treasury stock (in shares)				0
Purchase of treasury stock				$ 0
Purchase of restricted stock from employees (in shares)				(8)
Purchase of net settled restricted stock from employees				$ (164)
Stock-based compensation (in shares)			38
Stock-based compensation			$ 473
Ending Balance (in shares) at Mar. 31, 2023	2,794	2,824	3,861
Ending Balance at Mar. 31, 2023	$ 46,395		$ 492,044	$ (16,910)	$ (1,648)	$ (427,091)
Beginning balance, treasury stock (in shares) at Dec. 31, 2022	1,029			(1,029)
Ending balance, treasury stock (in shares) at Mar. 31, 2023	1,037			(1,037)