XML 109 R95.htm IDEA: XBRL DOCUMENT v3.6.0.2
Certain Relationships and Related Party Transactions (Details Textual) - USD ($)
12 Months Ended 36 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2016
Jul. 31, 2013
Related Party Transaction [Line Items]            
Recovery of INOVA bad debts $ 3,983,000 $ 0 $ 0      
INOVA Geophysical [Member]            
Related Party Transaction [Line Items]            
Basis spread on variable rate     6.50%      
Interest rate effective on notes receivable due from related party     15.00%      
Majority Shareholder [Member]            
Related Party Transaction [Line Items]            
Related party transaction, revenues from transactions with related party 3,600,000 6,300,000 $ 6,500,000      
Receivables due from BGP $ 400,000 300,000     $ 400,000  
Company's outstanding common stock owned by related parties 13.10%       13.10%  
Board of Directors Chairman [Member]            
Related Party Transaction [Line Items]            
Company's outstanding common stock owned by related parties 8.10%       8.10%  
Payments for continued services agreement (less than for 2016 and 2015) $ 100,000 $ 100,000        
Board of Directors Chairman [Member] | Manufacturing Facility [Member]            
Related Party Transaction [Line Items]            
Payments for continued services agreement (less than for 2016 and 2015) 100,000          
Board of Directors Chairman [Member] | Other services [Member]            
Related Party Transaction [Line Items]            
Payments for continued services agreement (less than for 2016 and 2015) 100,000          
Board of Directors Chairman [Member] | Rent and other pass through third party facilities charges [Member]            
Related Party Transaction [Line Items]            
Payments for continued services agreement (less than for 2016 and 2015)     2,400,000      
INOVA Geophysical [Member]            
Related Party Transaction [Line Items]            
Receivables due from BGP $ 4,000,000       $ 4,000,000  
Maximum amount agreed to be loaned to INOVA           $ 10,000,000
Advances made to related party       $ 10,000,000    
Proceeds from related party debt         $ 6,000,000  
Notes receivable due from related parties     $ 0