Annual report pursuant to Section 13 and 15(d)

GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Schedule of Goodwill by Business Segment (Details)

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GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Schedule of Goodwill by Business Segment (Details)
Dec. 31, 2018
USD ($)
Goodwill [Roll Forward]  
Beginning balance $ 46,138,036
Ending balance 46,138,036
Training and Simulation Division  
Goodwill [Roll Forward]  
Beginning balance 24,435,641
Ending balance 24,435,641
Battery and Power Systems Division  
Goodwill [Roll Forward]  
Beginning balance 21,702,395
Ending balance $ 21,702,395