18. Segment Information (Details) - Schedule of Segment Reporting Information, by Segment - USD ($)	3 Months Ended								12 Months Ended
	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Line Items]
Net sales	$ 4,103,159	$ 3,975,736	$ 2,222,941	$ 1,814,214	$ 2,069,553	$ 2,625,793	$ 1,787,165	$ 3,542,077	$ 12,116,050	$ 10,024,588
Cost of Sales									6,698,830	6,894,779
Gross Margin	1,967,090	$ 1,969,604	$ 999,213	$ 481,313	551,969	$ 936,680	$ 399,870	$ 1,241,290	5,417,220	3,129,809
Engineering, research, and Development									2,312,043	2,275,508
Selling, general, and administrative									2,215,521	2,491,816
Litigation expenses									234,720	610,125
Legal damages									0	2,159,000
Amortization of deferred financing costs									0	3,363
Change in fair value of common stock warrant									43,500	(95,000)
Proceeds from life insurance									0	(92,678)
Interest income									(4,005)	(866)
Interest expense - judgment									310,663	100,960
Interest expense, net									101,740	164,352
Total expenses									5,214,182	7,515,620
Income (loss) before income taxes									203,038	(4,385,811)
Segment Assets	8,329,667				8,100,779				8,329,667	8,100,779
Avionics Government [Member]
Segment Reporting Information [Line Items]
Net sales									9,239,379	7,395,724
Cost of Sales									4,902,016	4,537,216
Gross Margin									4,337,363	2,858,508
Segment Assets	4,763,198				4,873,736				4,763,198	4,873,736
Avionics Commercial [Member]
Segment Reporting Information [Line Items]
Net sales									2,876,671	2,628,864
Cost of Sales									1,796,814	2,357,563
Gross Margin									1,079,857	271,301
Segment Assets	365,533				491,247				365,533	491,247
Avionics Total [Member]
Segment Reporting Information [Line Items]
Net sales									12,116,050	10,024,588
Cost of Sales									6,698,830	6,894,779
Gross Margin									5,417,220	3,129,809
Engineering, research, and Development									2,312,043	2,275,508
Selling, general, and administrative									880,641	1,112,191
Litigation expenses									0	0
Legal damages										0
Amortization of deferred financing costs										0
Change in fair value of common stock warrant									0	0
Proceeds from life insurance										0
Interest income									0	0
Interest expense - judgment									0
Interest expense, net									0	0
Total expenses									3,192,684	3,387,699
Income (loss) before income taxes									2,224,536	(257,890)
Segment Assets	5,128,731				5,364,983				5,128,731	5,364,983
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Net sales									0	0
Cost of Sales									0	0
Gross Margin									0	0
Engineering, research, and Development									0	0
Selling, general, and administrative									1,334,880	1,379,625
Litigation expenses									234,720	610,125
Legal damages										2,159,000
Amortization of deferred financing costs										3,363
Change in fair value of common stock warrant									43,500	(95,000)
Proceeds from life insurance										(92,678)
Interest income									(4,005)	(866)
Interest expense - judgment									310,663
Interest expense, net									101,740	164,352
Total expenses									2,021,498	4,127,921
Income (loss) before income taxes									(2,021,498)	(4,127,921)
Segment Assets	$ 3,200,936				$ 2,735,796				$ 3,200,936	$ 2,735,796