REVENUES (Tables)

3 Months Ended

Mar. 31, 2019

Revenue from Contract with Customer [Abstract]

Contracts

	March 31, 2019									December 31, 2018
	Training and Simulation Division			Power Systems Division			Total			Training and Simulation Division			Power Systems Division			Total
Contract Assets - Current	$	14,251,984		$	8,067,984		$	22,319,968		$	10,358,679		$	7,509,217		$	17,867,896
Contract Liabilities - Current	(6,076,744		)	(674,041		)	(6,750,785		)	(6,697,522		)	(357,257		)	(7,054,779		)
Net Contract Assets and Liabilities:	$	8,175,240		$	7,393,943		$	15,569,183		$	3,661,157		$	7,151,960		$	10,813,117

The aggregate impact of adjustments in contract estimates to net income (loss) is presented below:

	Three months ended March 31,
	2019					2018
	Training and Simulation Division		Power Systems Division			Training and Simulation Division		Power Systems Division
Net income (loss)	$	146,278	$	(30,419	)	$	71,440	$	(119,778	)

Disaggregation of Revenue

Revenue by customer was as follows:

	Training and Simulation Division		Power Systems Division
Three months ended March 31, 2019
U.S. Government
Department of Defense (DoD)	$	4,893,803	$	441,033
Non-DoD	2,604,486		—
Foreign Military Sales (FMS)	642,269		—
Total U.S. Government	$	8,140,559	$	441,033
U.S. Commercial	$	4,771,042	$	3,167,221
Non-U.S. Government	241,553		291,965
Non-U.S. Commercial	836,462		2,888,805
Total Revenue	$	13,989,615	$	6,789,024
Three months ended March 31, 2018
U.S. Government
Department of Defense (DoD)	$	3,432,193	$	512,212
Non-DoD	2,738,807		—
Foreign Military Sales (FMS)	584,781		—
Total U.S. Government	$	6,755,781	$	512,212
U.S. Commercial	$	6,028,998	$	7,717,964
Non-U.S. Government	926,164		1,517,816
Non-U.S. Commercial	846,921		2,942,653
Total Revenue	$	14,557,864	$	12,690,645

Revenue by major product line was as follows:

	Three months ended March 31,
	2019		2018
Product Revenue
Air Warfare Simulation	$	3,499,202	$	5,032,659
Vehicle Simulation	7,080,941		5,463,998
Use-of-Force	2,457,177		3,260,049
Service Revenue
Warranty	952,295		801,158
Total Training and Simulation Division	$	13,989,615	$	14,557,864
Contract Manufacturing	$	3,217,992	$	4,164,324
Power Distribution and Generation	250,700		3,275,380
Batteries	2,382,475		4,146,112
Engineering Services and Other	937,857		1,104,829
Total Power Division	$	6,789,024	$	12,690,645

The table below details the percentage of total recognized revenue by type of arrangement for the three months ended March 31, 2019 and 2018:

	Three months ended March 31,
Type of Revenue	2019		2018
Sale of products	92.1	%	96.4	%
Maintenance and support agreements	4.6	%	2.9	%
Long term research and development contracts	3.3	%	0.7	%
Total	100	%	100	%

Revenue by contract type was as follows:

	Training and Simulation Division		Power Systems Division
Three months ended March 31, 2019
Fixed Price	$	10,971,102	$	6,169,657
Cost Reimbursement (Cost Plus)	1,349,345		431,050
Time and Materials	1,669,168		188,317
Total	$	13,989,615	$	6,789,024
Three months ended March 31, 2018
Fixed Price	$	12,209,969	$	12,072,168
Cost Reimbursement (Cost Plus)	1,338,951		388,749
Time and Materials	1,008,944		229,728
Total	$	14,557,864	$	12,690,645