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Accounting Policies and New Accounting Pronouncements (Tables)
12 Months Ended
Dec. 31, 2016
Accounting Policies [Abstract]  
Schedule of Estimated Useful Lives of Assets

Asset Group     Years  
Shop equipment     5 - 10    
Furniture and fixtures     5 - 7    
Computer equipment; Autos and trucks     3 - 5    
Software     3 - 5