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, 2020		24,392,000
Beginning Balance at Dec. 31, 2020	$ 313,301	$ 244	$ (295,495)	$ 302,084	$ (18,522)	$ 324,990
Beginning balance (in shares) at Dec. 31, 2020			(10,618,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	5,301					5,301
Currency translation adjustment	(427)				(427)
Change in foreign currency translation due to sale of Argentina subsidiary	5,425				5,425
Shares issued for employee benefit plan and compensation (in shares)		203,000
Shares issued for employee benefit plan and compensation	$ 1,092	$ 2		1,090
Purchase of treasury shares (in shares)	(1,243,000)		(1,243,000)
Purchase of treasury shares	$ (59,664)		$ (59,664)
Stock options exercised (in shares)	54,000	54,000
Stock options exercised	$ 1,638	$ 1		1,637
Shares Issued to directors (in shares)		30,000
Shares issued to directors	0
Employee and director stock-based compensation	9,969			9,969
Performance-based common stock warrants	(686)			(686)
Ending balance (in shares) at Dec. 31, 2021		24,679,000
Ending balance at Dec. 31, 2021	275,949	$ 247	$ (355,159)	314,094	(13,524)	330,291
Ending 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)
Change in foreign currency translation due to sale of Argentina subsidiary	0
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	(12,295,305)		(12,295,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	$ (98,238)					(98,238)
Currency translation adjustment	429				429
Change in foreign currency translation due to sale of Argentina subsidiary	0
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)