Note 9 - Segment Information (Tables)

3 Months Ended

Jun. 30, 2019

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 month periods ending June 30, 2019 and 2018:

Three Months Ended June 30, 2019	Avionics Government		Avionics Commercial		Avionics Total		Corporate Items			Total
Net sales	$	2,504,140	$	802,322	$	3,306,462	$	-		$	3,306,462
Cost of sales		1,242,567		482,291		1,724,858		-			1,724,858
Gross margin		1,261,573		320,031		1,581,604		-			1,581,604
Engineering, research, and development						525,103		-			525,103
Selling, general and administrative						234,578		377,893			612,471
Litigation costs								10,507			10,507
Change in fair value of common stock warrants								78,500			78,500
Interest income						-		(1,000	)		(1,000	)
Interest expense - judgment								80,510			80,510
Interest expense						-		17,737			17,737
Total expenses						759,681		564,147			1,323,828
Income (loss) before income taxes					$	821,923	$	(564,147	)	$	257,776

Three Months Ended  June 30, 2018	Avionics Government		Avionics Commercial		Avionics Total			Corporate Items			Total
Net sales	$	1,092,582	$	721,632	$	1,814,214		$	-		$	1,814,214
Cost of sales		761,254		571,647		1,332,901			-			1,332,901
Gross margin		331,328		149,985		481,313			-			481,313
Engineering, research, and development						517,323			-			517,323
Selling, general and administrative						217,128			349,397			566,525
Litigation costs									39,271			39,271
Interest income									(998	)		(998	)
Interest expense - judgment									71,220			71,220
Interest expense						-			34,045			34,045
Total expenses						734,451			492,935			1,227,386
Loss before income taxes					$	(253,138	)	$	(492,935	)	$	(746,073	)