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, 2021		24,679,000
Beginning Balance at Dec. 31, 2021	$ 275,949	$ 247	$ (355,159)	$ 314,094	$ (13,524)	$ 330,291
Beginning balance (in shares) at Dec. 31, 2021			(11,861,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	407					407
Currency translation adjustment	(7,663)				(7,663)
Shares issued for employee benefit plan and compensation (in shares)		212,000
Shares issued for employee benefit plan and compensation	$ 1,199	$ 2		1,197
Purchase of treasury shares (in shares)	(434,000)		(434,000)
Purchase of treasury shares	$ (13,035)		$ (13,035)
Stock options exercised (in shares)	80,000	80,000
Stock options exercised	$ 1,536	$ 1		1,535
Shares Issued to directors (in shares)		29,000
Shares issued to directors	0
Employee and director stock-based compensation	10,013			10,013
Ending balance (in shares) at Dec. 31, 2022		25,000,000
Ending balance at Dec. 31, 2022	268,406	$ 250	$ (368,194)	326,839	(21,187)	330,698
Ending balance (in shares) at Dec. 31, 2022			(12,295,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(98,238)					(98,238)
Currency translation adjustment	429				429
Shares issued for employee benefit plan and compensation (in shares)		317,000
Shares issued for employee benefit plan and compensation	$ 1,293	$ 3		1,290
Purchase of treasury shares (in shares)	(165,000)		(165,000)
Purchase of treasury shares	$ (1,779)		$ (1,779)
Stock options exercised (in shares)	0
Shares Issued to directors (in shares)		29,000
Shares issued to directors	$ 0
Employee and director stock-based compensation	8,809			8,809
Ending balance (in shares) at Dec. 31, 2023		25,346,000
Ending balance at Dec. 31, 2023	$ 178,920	$ 253	$ (369,973)	336,938	(20,758)	232,460
Ending balance (in shares) at Dec. 31, 2023	(12,459,845)		(12,460,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ (24,029)					(24,029)
Currency translation adjustment	(7,592)				(7,592)
Shares issued for employee benefit plan and compensation (in shares)		338,000
Shares issued for employee benefit plan and compensation	$ 1,063	$ 4		1,059
Purchase of treasury shares (in shares)	(206,000)		(206,000)
Purchase of treasury shares	$ (1,957)		$ (1,957)
Stock options exercised (in shares)	0
Shares Issued to directors (in shares)		29,000
Shares issued to directors	$ 0
Employee and director stock-based compensation	6,700			6,700
Ending balance (in shares) at Dec. 31, 2024		25,713,000
Ending balance at Dec. 31, 2024	$ 153,105	$ 257	$ (371,930)	$ 344,697	$ (28,350)	$ 208,431
Ending balance (in shares) at Dec. 31, 2024	(12,666,443)		(12,666,000)