CONDENSED CONSOLIDATED STATEMENT OF OTHER COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (900)	$ (1,364)	$ (2,802)	$ 9,357
Other comprehensive loss:
Foreign currency translation adjustment, net of applicable income taxes	(106)	(429)	(41)	(96)
Reclassification of currency translation adjustment included in (loss) income from discontinued operations, net of income taxes	0	0	0	(10,819)
Reclassification of pension liability adjustment included in (loss) income from discontinued operations, net of income taxes	0	0	0	(38)
Total other comprehensive loss, net of income taxes	(106)	(429)	(41)	(10,953)
Comprehensive loss	$ (1,006)	$ (1,793)	$ (2,843)	$ (1,596)