Other Current Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Other Current Liabilities [Abstract]
Non-Income Taxes	$ 9,196	$ 9,278
Professional Fees	5,019	1,980
Selling Expenses	2,846	2,699
Customer Advances	1,507	492
Freight	1,780	2,212
Legal	1,169	754
Accrued Interest	884	5
Current Income Taxes Payable	841	2,753
Accrued Rent and Facilities	775	500
Other	3,304	2,755
Accrued Liabilities, Current, Total	$ 27,321	$ 23,428