Segment Information (Details) - Schedule of Segment Reporting Information, by Segment - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting Information [Line Items]
Net sales	$ 3,610,863	$ 3,336,396	$ 7,743,256	$ 6,275,833
Cost of Sales	1,942,956	1,969,573	4,060,602	3,404,399
Gross Margin	1,667,907	1,366,823	3,682,654	2,871,434
Engineering, research, and Development	682,852	554,555	1,376,427	1,186,508
Selling, general, and administrative	596,618	464,809	1,150,651	1,126,060
Litigation expenses	3,220	5,514	4,400	8,210
Interest income	(995)	(1,879)	(1,980)	(4,725)
Other income	(22,260)	0	(35,853)	(13,854)
Interest expense - judgment	52,490	52,490	104,410	127,634
Interest expense, net		9,380		19,160
Forgiveness of PPP Loan	(722,577)	0	(722,577)	0
Total expenses	589,348	1,084,869	1,875,478	2,448,993
Income (loss) before income taxes	1,078,559	281,954	1,807,176	422,441
Avionics Government [Member]
Segment Reporting Information [Line Items]
Net sales	2,909,663	2,976,153	6,479,266	5,539,429
Cost of Sales	1,498,235	1,720,943	3,261,135	2,903,225
Gross Margin	1,411,428	1,255,210	3,218,131	2,636,204
Avionics Commercial [Member]
Segment Reporting Information [Line Items]
Net sales	701,200	360,243	1,263,990	736,404
Cost of Sales	444,721	248,630	799,467	501,174
Gross Margin	256,479	111,613	464,523	235,230
Avionics Total [Member]
Segment Reporting Information [Line Items]
Net sales	3,610,863	3,336,396	7,743,256	6,275,833
Cost of Sales	1,942,956	1,969,573	4,060,602	3,404,399
Gross Margin	1,667,907	1,366,823	3,682,654	2,871,434
Engineering, research, and Development	682,852	554,555	1,376,427	1,186,508
Selling, general, and administrative	224,148	158,154	401,943	411,992
Litigation expenses	0	0	0	0
Interest income	0	0	0	0
Other income	0		0	0
Interest expense - judgment	0	0	0	0
Interest expense, net		0		0
Forgiveness of PPP Loan	0		0
Total expenses	907,000	712,709	1,778,370	1,598,500
Income (loss) before income taxes	760,907	654,114	1,904,284	1,272,934
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Net sales	0	0	0	0
Cost of Sales	0	0	0	0
Gross Margin	0	0	0	0
Engineering, research, and Development	0	0	0	0
Selling, general, and administrative	372,470	306,655	748,708	714,068
Litigation expenses	3,220	5,514	4,400	8,210
Interest income	(995)	(1,879)	(1,980)	(4,725)
Other income	(22,260)		(35,853)	(13,854)
Interest expense - judgment	52,490	52,490	104,410	127,634
Interest expense, net		9,380		19,160
Forgiveness of PPP Loan	(722,577)		(722,577)
Total expenses	(317,652)	372,160	97,108	850,493
Income (loss) before income taxes	$ 317,652	$ (372,160)	$ (97,108)	$ (850,493)