Segment Information (Tables)

12 Months Ended

Mar. 31, 2022

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

The tables below present information about reportable segments for the years ended March 31:

							Corporate/
	Avionics		Avionics		Avionics		Reconciling
2022	Government		Commercial		Total		Items			Total
Net sales	$	10,363,831	$	2,568,959	$	12,932,790	$	-		$	12,932,790
Cost of sales		5,447,287		1,720,163		7,167,450		-			7,167,450
Gross margin		4,916,544		848,796		5,765,340		-			5,765,340
Engineering, research, and development						2,548,626		-			2,548,626
Selling, general, and administrative						770,178		1,480,398			2,250,576
Litigation expenses						-		29,479			29,479
Forgiveness of PPP loan						-		(722,577	)		(722,577	)
Other income, net						-		(30,254	)		(30,254	)
Interest income						-		(3,951	)		(3,951	)
Interest expense - judgment						-		208,250			208,250
						3,318,804		961,345			4,280,149
Income (loss) before income taxes					$	2,446,536	$	(961,345	)	$	1,485,191
Segment Assets	$	3,273,819	$	595,718	$	3,869,537	$	11,575,735		$	15,445,272

							Corporate/
	Avionics		Avionics		Avionics		Reconciling
2021	Government		Commercial		Total		Items			Total
Net sales	$	9,858,537	$	1,723,983	$	11,582,520	$	-		$	11,582,520
Cost of sales		5,474,587		1,325,434		6,800,021		-			6,800,021
Gross margin		4,383,950		398,549		4,782,499		-			4,782,499
Engineering, research, and development						2,295,901		-			2,295,901
Selling, general, and administrative						767,579		1,397,611			2,165,190
Litigation expenses						-		248,004			248,004
Forgiveness of PPP loan						-		(722,577	)		(722,577	)
Other income						-		(30,819	)		(30,819	)
Interest income						-		(7,483	)		(7,483	)
Interest expense - judgment						-		231,474			231,474
Interest expense - other						-		29,779			29,779
						3,063,480		1,145,989			4,209,469
Income (loss) before income taxes					$	1,719,019	$	(1,145,989	)	$	573,030
Segment Assets	$	4,920,076	$	451,234	$	5,371,310	$	10,593,116		$	15,964,426