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SIGNIFICANT ACCOUNTING POLICIES - Research and Development (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Segment Reporting Information [Line Items]      
Research and development costs $ 3,042 $ 3,099 $ 2,199
DynaEnergetics [Member]      
Segment Reporting Information [Line Items]      
Research and development costs 2,357 2,541 1,706
NobelClad [Member]      
Segment Reporting Information [Line Items]      
Research and development costs $ 685 $ 558 $ 493