v3.6.0.2
DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Provisions for excess and obsolete inventories $ 1,700,000 $ 700,000 $ 300,000
Impairment of long-lived assets $ 0 $ 0 $ 0
Product warranty term 1 year