CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Treasury - Common Stock	Additional Paid-in Capital [Member]	Accumulated Income [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at Dec. 31, 2020	$ 40	$ (5,030)	$ 98,819	$ 173,731	$ (10,220)	$ 257,340
Balance (in shares) at Dec. 31, 2020	40,103,000	250,000
Net income(loss)				(9,151)		(9,151)
Foreign currency translation adjustment, net of tax				22	(919)	(897)
Restricted stock awards			1,342			1,342
Restricted stock awards, Shares	248,000
Tax payments for stock issuances			(2,139)			(2,139)
Tax payments for stock issuances, Shares	(86,000)
Unrealized gains (loss) on available-for-sale securities					(15)	(15)
Balance at Mar. 31, 2021	$ 40	$ (5,030)	98,022	164,602	(11,154)	246,480
Balance (in shares) at Mar. 31, 2021	40,265,000
Balance at Dec. 31, 2020	$ 40	$ (5,030)	98,819	173,731	(10,220)	257,340
Balance (in shares) at Dec. 31, 2020	40,103,000	250,000
Net income(loss)						(15,836)
Balance at Jun. 30, 2021	$ 40	$ (7,938)	99,223	157,917	(10,597)	238,645
Balance (in shares) at Jun. 30, 2021	40,171,000
Treasury stock, at cost		250,000
Balance at Mar. 31, 2021	$ 40	$ (5,030)	98,022	164,602	(11,154)	246,480
Balance (in shares) at Mar. 31, 2021	40,265,000
Net income(loss)				(6,685)		(6,685)
Foreign currency translation adjustment, net of tax					549	549
Restricted stock awards			1,292			1,292
Restricted stock awards, Shares	24,000
Tax payments for stock issuances			(91)			(91)
Tax payments for stock issuances, Shares	(7,000)
Share repurchase		$ (2,908)				(2,908)
Share repurchased (in shares)	(111,000)	111,000
Unrealized gains (loss) on available-for-sale securities					8	8
Balance at Jun. 30, 2021	$ 40	$ (7,938)	99,223	157,917	(10,597)	$ 238,645
Balance (in shares) at Jun. 30, 2021	40,171,000
Treasury stock, at cost		361,000
Treasury stock, at cost		592,000				592
Balance at Dec. 31, 2021	$ 40	$ (12,501)	100,250	143,173	(11,182)	$ 219,780
Balance (in shares) at Dec. 31, 2021	40,001,000
Net income(loss)				5,214		5,214
Foreign currency translation adjustment, net of tax					(2,020)	(2,020)
Restricted stock awards			1,360			1,360
Restricted stock awards, Shares	(34,000)
Tax payments for stock issuances			(635)			(635)
Tax payments for stock issuances, Shares	(14,000)
Unrealized gains (loss) on available-for-sale securities					(79)	(79)
Pension adjustment, net of tax					(25)	(25)
Balance at Mar. 31, 2022	$ 40	(12,501)	100,975	148,387	(13,306)	223,595
Balance (in shares) at Mar. 31, 2022	40,021,000
Balance at Dec. 31, 2021	$ 40	(12,501)	100,250	143,173	(11,182)	219,780
Balance (in shares) at Dec. 31, 2021	40,001,000
Net income(loss)						(4,136)
Unrealized gains (loss) on available-for-sale securities						(89)
Balance at Jun. 30, 2022	$ 40	$ (18,222)	102,140	139,037	(18,653)	204,342
Balance (in shares) at Jun. 30, 2022	39,597,000
Treasury stock, at cost		592,000
Balance at Mar. 31, 2022	$ 40	$ (12,501)	100,975	148,387	(13,306)	223,595
Balance (in shares) at Mar. 31, 2022	40,021,000
Net income(loss)				(9,350)		(9,350)
Foreign currency translation adjustment, net of tax					(5,315)	(5,315)
Restricted stock awards			1,253			1,253
Restricted stock awards, Shares	28,000
Tax payments for stock issuances	$ (6)		(88)			(88)
Share repurchase		$ (5,721)				(5,721)
Share repurchased (in shares)	(446,000)	446,000
Unrealized gains (loss) on available-for-sale securities					(10)	(10)
Pension adjustment, net of tax					(22)	(22)
Balance at Jun. 30, 2022	$ 40	$ (18,222)	$ 102,140	$ 139,037	$ (18,653)	$ 204,342
Balance (in shares) at Jun. 30, 2022	39,597,000
Treasury stock, at cost		1,038,000				1,038