XML 87 R75.htm IDEA: XBRL DOCUMENT v3.5.0.2
COMMITMENTS AND CONTINGENCIES (Details)
1 Months Ended
Dec. 31, 2014
patent
defendant
Sep. 30, 2016
USD ($)
lawsuit
Jul. 31, 2007
death
Quest Integrity      
Loss Contingencies [Line Items]      
Number of patents allegedly infringed upon | patent 3    
Number of defendants 3    
Con Ed Matter      
Loss Contingencies [Line Items]      
Number of deaths | death     1
Number of lawsuits | lawsuit   92  
Insurance coverage subject to deductible limit | $   $ 250,000  
Delaware Cases | Quest Integrity      
Loss Contingencies [Line Items]      
Number of defendants 2    
Washington Case | Quest Integrity      
Loss Contingencies [Line Items]      
Number of defendants 1