CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-In Capital	Accumulated Income	Accumulated Other Comprehensive Income (Loss)	Total
Balance at Dec. 31, 2018	$ 40	$ 93,310	$ 172,378	$ (13,287)	$ 252,441
Balance (in shares) at Dec. 31, 2018	40,225
Change in Stockholders' Equity
Net income (loss)			(5,671)		(5,671)
Foreign currency translation adjustment, net of tax				870	870
Restricted stock awards		552			552
Restricted stock awards, Shares	(10)
Tax payments for stock issuances		(218)			(218)
Pension adjustment, net of tax				(16)	(16)
Balance at Mar. 31, 2019	$ 40	93,644	166,707	(12,433)	247,958
Balance (in shares) at Mar. 31, 2019	40,215
Balance at Dec. 31, 2019	$ 40	96,109	181,167	(13,295)	264,021
Balance (in shares) at Dec. 31, 2019	40,207
Change in Stockholders' Equity
Cumulative impact of change in accounting principles, net of tax			(253)		(253)
Net income (loss)			98		98
Foreign currency translation adjustment, net of tax				(4,278)	(4,278)
Restricted stock awards		1,350			1,350
Restricted stock awards, Shares	168
Tax payments for stock issuances		(293)			(293)
Tax payments for stock issuances, Shares	(61)
Pension adjustment, net of tax				(6)	(6)
Balance at Mar. 31, 2020	$ 40	$ 97,166	$ 181,012	$ (17,579)	$ 260,639
Balance (in shares) at Mar. 31, 2020	40,314