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Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Net loss	$ (10,163)	$ (9,263)	$ (29,388)
Other comprehensive income (loss), net of tax:
Pension liability adjustment	57	131	238
Unrealized gain (loss) on cash flow hedges	(19)	(76)	57
Other comprehensive income, net of tax	38	55	295
Comprehensive loss	$ (10,125)	$ (9,208)	$ (29,093)

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Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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