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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Detail Textuals 4) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Accounting Policies [Abstract]      
Term of product warranty 1 year    
Product warranty expense $ 1,750 $ 3,076 $ 1,958
Research and development costs $ 1,797 $ 1,595 $ 1,899