v3.8.0.1
SIGNIFICANT ACCOUNTING POLICIES - Shipping and Handling Costs (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Accounting Policies [Abstract]      
Shipping and Handling Revenue $ 336 $ 320 $ 279
Shipping, Handling and Transportation Costs $ 1,783 $ 1,502 $ 1,454