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Debt (Details) - Revolving Credit Facility [Member] - USD ($)
9 Months Ended
Sep. 30, 2015
Jul. 16, 2015
Debt [Abstract]    
Maximum borrowing capacity $ 100,000,000  
Amount outstanding 6,000,000  
Borrowing base $ 7,000,000  
Borrowing term under credit facility agreement 6 months  
Interest rate 2.95%  
Limited waiver of covenant restricted payments to subsidiary   $ 5,000,000