Segment Information (Tables)

12 Months Ended

Mar. 31, 2020

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:

	Avionics		Avionics		Avionics		Corporate/
2020	Government		Commercial		Total		Reconciling Items			Total
Net sales	$	12,770,363	$	3,004,580	$	15,774,943	$	-		$	15,774,943
Cost of Sales		6,606,622		1,758,420		8,365,042		-			8,365,042
Gross Margin		6,163,741		1,246,420		7,409,901		-			7,409,901
Engineering, research, and development						2,239,811		-			2,239,811
Selling, general, and administrative						941,514		1,536,034			2,477,548
Litigation expenses						-		140,050			140,050
Change in fair value of common stock warrant						-		73,000			73,000
Interest income						-		(5,819	)		(5,819	)
Interest expense - judgment								342,544			342,544
Interest expense - other						-		55,557			55,557
						3,181,325		2,141,366			5,322,691
Income (loss) before income taxes					$	4,228,576	$	(2,141,366	)	$	2,087,210
Segment Assets	$	3,301,607	$	1,202, 716	$	4,504,323	$	8,835,546		$	13,339,869

	Avionics		Avionics		Avionics		Corporate/
2019	Government		Commercial		Total		Reconciling Items			Total
Net sales	$	9,239,379	$	2,876,671	$	12,116,050	$	-		$	12,116,050
Cost of Sales		4,902,016		1,796,814		6,698,830		-			6,698,830
Gross Margin		4,337,363		1,079,857		5,417,220		-			5,417,220
Engineering, research, and development						2,312,043		-			2,312,043
Selling, general, and administrative						880,641		1,334,880			2,215,521
Litigation expenses						-		234,720			234,720
Change in fair value of common stock warrant						-		43,500			43,500
Interest income						-		(4,005	)		(4,005	)
Interest expense - judgment								310,663			310,663
Interest expense - other						-		101,740			101,740
						3,192,684		2,021,498			5,214,182
Income (loss) before income taxes					$	2,224,536	$	(2,021,498	)	$	203,038
Segment Assets	$	4,763,198	$	365,533	$	5,128,731	$	3,200,936		$	8,329,667