18. Segment Information (Tables)

12 Months Ended

Mar. 31, 2019

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/
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, net						-		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

	Avionics		Avionics		Avionics			Corporate/
2018	Government		Commercial		Total			Reconciling Items			Total
Net sales	$	7,395,724	$	2,628,864	$	10,024,588		$	-		$	10,024,588
Cost of Sales		4,537,216		2,357,563		6,894,779			-			6,894,779
Gross Margin		2,858,508		271,301		3,129,809			-			3,129,809
Engineering, research, and development						2,275,508			-			2,275,508
Selling, general, and administrative						1,112,191			1,379,625			2,491,816
Litigation expenses						-			610,125			610,125
Legal damages						-			2,159,000			2,159,000
Amortization of deferred financing costs						-			3,363			3,363
Change in fair value of common stock warrant						-			(95,000	)		(95,000	)
Proceeds from life insurance						-			(92,678	)		(92,678	)
Interest income						-			(866	)		(866	)
Interest expense, net						-			164,352			164,352
						3,387,699			4,127,921			7,515,620
Income (loss) before income taxes					$	(257,890	)	$	(4,127,921	)	$	(4,385,811	)
Segment Assets	$	4,873,736	$	491,247	$	5,364,983		$	2,735,796		$	8,100,779