CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) [Abstract]
Net loss	$ (5,467)	$ (6,874)
Other comprehensive income
Employee pension plan adjustments	154	162
Comprehensive loss	$ (5,313)	$ (6,712)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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