Other Accrued Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Other Accrued Liabilities [Abstract]
Accrued expenses	$ 1,014	$ 842
Self-insurance accruals	799	911
Customer deposits	185	556
Restructuring obligations	0	81
Other accrued liabilities	120	106
Total other accrued liabilities	$ 2,118	$ 2,496