Note 10 - Segment Information (Tables)

6 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

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

The table below presents information about reportable segments within the avionics business for the three and six month periods ending September 30, 2018 and 2017:

Three Months Ended  September 30, 2018	Avionics Government		Avionics Commercial		Avionics Total		Corporate Items			Total
Net sales	$	1,284,099	$	938,842	$	2,222,941	$	-		$	2,222,941
Cost of sales		714,590		509,138		1,223,728		-			1,223,728
Gross margin		569,509		429,704		999,213		-			999,213
Engineering, research, and development						503,380		-			503,380
Selling, general and administrative						194,179		361,232			555,411
Litigation costs								35,848			35,848
Interest income						-		(1,009	)		(1,009	)
Interest expense - judgment								72,003			72,003
Interest expense						-		24,990			24,990
Total expenses						697,559		493,064			1,190,623
Income (loss) before income taxes					$	301,654	$	(493,064	)	$	(191,410	)

Three Months Ended  September 30, 2017	Avionics Government		Avionics Commercial		Avionics Total			Corporate Items			Total
Net sales	$	1,028,693	$	758,472	$	1,787,165		$	-		$	1,787,165
Cost of sales		660,589		726,706		1,387,295			-			1,387,295
Gross margin		368,104		31,766		399,870			-			399,870
Engineering, research, and development						529,667			-			529,667
Selling, general and administrative						277,518			348,877			626,395
Litigation costs									43,333			43,333
Legal damages									2,100,000			2,100,000
Amortization of deferred financing costs						-			1,357			1,357
Change in fair value of common stock warrants						-			5,000			5,000
Proceeds from life insurance									-			-
Interest expense, net						-			14,707			14,707
Total expenses						807,185			2,513,274			3,320,459
Loss before income taxes					$	(407,315	)	$	(2,513,274	)	$	(2,920,589	)

Six Months Ended  September 30, 2018	Avionics Government		Avionics Commercial		Avionics Total		Corporate Items			Total
Net sales	$	2,376,681	$	1,660,474	$	4,037,155	$	-		$	4,037,155
Cost of sales		1,475,844		1,080,785		2,556,629		-			2,556,629
Gross margin		900,837		579,689		1,480,526		-			1,480,526
Engineering, research, and development						1,020,703		-			1,020,703
Selling, general and administrative						411,307		710,629			1,121,936
Litigation costs								75,119			75,119
Interest income						-		(2,007	)		(2,007	)
Interest expense - judgment								143,223			143,223
Interest expense						-		59,035			59,035
Total expenses						1,432,010		985,999			2,418,009
Income (loss) before income taxes					$	48,516	$	(985,999	)	$	(937,483	)

Six Months Ended  September 30, 2017	Avionics Government		Avionics Commercial		Avionics Total			Corporate Items			Total
Net sales	$	4,001,019	$	1,328,223	$	5,329,242		$	-		$	5,329,242
Cost of sales		2,475,742		1,212,340		3,688,082			-			3,688,082
Gross margin		1,525,277		115,883		1,641,160			-			1,641,160
Engineering, research, and development						1,144,940			-			1,144,940
Selling, general and administrative						636,185			696,496			1,332,681
Litigation costs									425,845			425,845
Legal damages									2,100,000			2,100,000
Amortization of deferred financing costs						-			2,714			2,714
Change in fair value of common stock warrants						-			(90,000	)		(90,000	)
Proceeds from life insurance									(92,678	)		(92,678	)
Interest expense, net						-			24,338			24,338
Total expenses						1,781,125			3,066,715			4,847,840
Loss before income taxes					$	(139,965	)	$	(3,066,715	)	$	(3,206,680	)