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REVENUE RECOGNITION (Details) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Revenue by long-term contract type $ 21,988,384 $ 14,989,951
Aerostructures [Member]    
Revenue by long-term contract type 10,284,503 8,842,220
Aerosystems [Member]    
Revenue by long-term contract type 8,123,468 2,718,088
Kitting and Supply Chain Management [Member]    
Revenue by long-term contract type $ 3,580,413 $ 3,429,643