CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Thousands	Total	Common Stock Issued	Common Stock in Treasury	Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings
Beginning balance (in shares) at Dec. 31, 2022		25,000,000
Beginning balance at Dec. 31, 2022	$ 268,406	$ 250	$ (368,194)	$ 326,839	$ (21,187)	$ 330,698
Beginning balance (in shares) at Dec. 31, 2022			(12,295,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(61,363)					(61,363)
Currency translation adjustment	1,916				1,916
Shares issued for employee benefit plan and compensation (in shares)		189,000
Shares issued for employee benefit plan and compensation	$ 352	$ 2		350
Purchase of treasury shares (in shares)	(53,000)		(53,000)
Purchase of treasury shares	$ (812)		$ (812)
Shares issued to directors (in shares)		8,000
Shares issued to directors	0
Employee and director stock-based compensation	2,540			2,540
Ending balance (in shares) at Mar. 31, 2023		25,197,000
Ending balance at Mar. 31, 2023	211,039	$ 252	$ (369,006)	329,729	(19,271)	269,335
Ending balance (in shares) at Mar. 31, 2023			(12,348,000)
Beginning balance (in shares) at Dec. 31, 2023		25,346,000
Beginning balance at Dec. 31, 2023	$ 178,920	$ 253	$ (369,973)	336,938	(20,758)	232,460
Beginning balance (in shares) at Dec. 31, 2023	(12,459,845)		(12,460,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	$ (8,649)					(8,649)
Currency translation adjustment	(1,591)				(1,591)
Shares issued for employee benefit plan and compensation (in shares)		156,000
Shares issued for employee benefit plan and compensation	$ 301	$ 2		299
Purchase of treasury shares (in shares)	(140,000)		(140,000)
Purchase of treasury shares	$ (1,230)		$ (1,230)
Shares issued to directors (in shares)		6,000
Shares issued to directors	0
Employee and director stock-based compensation	1,904			1,904
Ending balance (in shares) at Mar. 31, 2024		25,508,000
Ending balance at Mar. 31, 2024	$ 169,655	$ 255	$ (371,203)	$ 339,141	$ (22,349)	$ 223,811
Ending balance (in shares) at Mar. 31, 2024	(12,599,981)		(12,600,000)