Quarterly report pursuant to Section 13 or 15(d)

SIGNIFICANT ACCOUNTING POLICIES UPDATE - Revenue from External Customers by Products and Services (Details)

v3.10.0.1
SIGNIFICANT ACCOUNTING POLICIES UPDATE - Revenue from External Customers by Products and Services (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Training and Simulation Division        
Revenue from External Customer [Line Items]        
Revenues $ 14,665,902 $ 14,596,967 $ 43,576,153 $ 35,139,969
Power Systems Division        
Revenue from External Customer [Line Items]        
Revenues 9,178,575 11,333,474 29,391,443 34,586,610
Air Warfare Simulation | Training and Simulation Division        
Revenue from External Customer [Line Items]        
Revenues 3,667,058 5,075,082 13,324,429 14,476,934
Vehicle Simulation | Training and Simulation Division        
Revenue from External Customer [Line Items]        
Revenues 6,040,922 4,351,624 17,040,554 8,694,974
Use-of-Force | Training and Simulation Division        
Revenue from External Customer [Line Items]        
Revenues 4,132,059 4,489,977 10,677,612 9,636,388
Warranty | Training and Simulation Division        
Revenue from External Customer [Line Items]        
Revenues 825,863 680,284 2,533,558 2,331,673
Contract Manufacturing | Power Systems Division        
Revenue from External Customer [Line Items]        
Revenues 3,100,586 3,114,482 10,130,597 9,565,368
Power Distribution and Generation | Power Systems Division        
Revenue from External Customer [Line Items]        
Revenues 1,413,117 1,479,509 5,695,039 3,810,061
Batteries | Power Systems Division        
Revenue from External Customer [Line Items]        
Revenues 3,118,375 4,944,867 9,767,890 16,134,215
Engineering Services and Other | Power Systems Division        
Revenue from External Customer [Line Items]        
Revenues $ 1,546,497 $ 1,794,616 $ 3,797,917 $ 5,076,966