Note 8 - Segment Information (Details) - Schedule of Segment Reporting Information, by Segment (USD $)	3 Months Ended		9 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Net sales	$ 4,089,029	$ 2,350,020	$ 11,323,585	$ 5,922,258
Cost of Sales	2,693,342	1,896,652	7,465,991	4,582,773
Gross Margin	1,395,687	453,368	3,857,594	1,339,485
Engineering, research, and development	449,477	481,055	1,378,426	1,608,459
Selling, general and administrative	697,919	587,146	2,022,579	1,927,380
Amortization of debt discount	27,120	37,948	75,707	82,349
Amortization of deferred financing costs	27,826	68,384	81,986	152,175
Loss on extinguishment of debt	0	0	26,600	0
Financing costs	0	21,441	0	47,918
Change in fair value of common stock warrants	229,726	(19,710)	272,499	(268,767)
Interest (income) expense, net	50,700	126,069	252,133	349,556
Total expenses	1,482,768	1,302,333	4,109,930	3,899,070
Income (loss) before income taxes	(87,081)	(848,965)	(252,336)	(2,559,585)
Avionics Gov't [Member]
Segment Reporting Information [Line Items]
Net sales	3,797,272	1,828,941	10,054,033	4,226,451
Cost of Sales	2,415,427	1,480,584	6,497,178	3,051,873
Gross Margin	1,381,845	348,357	3,556,855	1,174,578
Engineering, research, and development	0	0	0	0
Selling, general and administrative	0	0	0	0
Amortization of debt discount	0	0	0	0
Amortization of deferred financing costs	0	0	0	0
Loss on extinguishment of debt			0
Financing costs		0		0
Change in fair value of common stock warrants	0	0	0	0
Interest (income) expense, net	0	0	0	0
Total expenses	0	0	0	0
Income (loss) before income taxes	0	0	0	0
Avionics Comm'l. [Member]
Segment Reporting Information [Line Items]
Net sales	291,757	521,079	1,269,552	1,695,807
Cost of Sales	277,915	416,068	968,813	1,530,900
Gross Margin	13,842	105,011	300,739	164,907
Engineering, research, and development	0	0	0	0
Selling, general and administrative	0	0	0	0
Amortization of debt discount	0	0	0	0
Amortization of deferred financing costs	0	0	0	0
Loss on extinguishment of debt			0
Financing costs		0		0
Change in fair value of common stock warrants	0	0	0	0
Interest (income) expense, net	0	0	0	0
Total expenses	0	0	0	0
Income (loss) before income taxes	0	0	0	0
Avionics Total [Member]
Segment Reporting Information [Line Items]
Net sales	4,089,029	2,350,020	11,323,585	5,922,258
Cost of Sales	2,693,342	1,896,652	7,465,991	4,582,773
Gross Margin	1,395,687	453,368	3,857,594	1,339,485
Engineering, research, and development	449,477	481,055	1,378,426	1,608,459
Selling, general and administrative	375,255	264,627	933,033	891,764
Amortization of debt discount	0	0	0	0
Amortization of deferred financing costs	0	0	0	0
Loss on extinguishment of debt			0
Financing costs		0		0
Change in fair value of common stock warrants	0	0	0	0
Interest (income) expense, net	0	0	0	0
Total expenses	824,732	745,682	2,311,459	2,500,223
Income (loss) before income taxes	570,955	(292,314)	1,546,135	(1,160,738)
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Net sales	0	0	0	0
Cost of Sales	0	0	0	0
Gross Margin	0	0	0	0
Engineering, research, and development	0	0	0	0
Selling, general and administrative	322,664	322,519	1,089,546	1,035,616
Amortization of debt discount	27,120	37,948	75,707	82,349
Amortization of deferred financing costs	27,826	68,384	81,986	152,175
Loss on extinguishment of debt			26,600
Financing costs		21,441		47,918
Change in fair value of common stock warrants	229,726	(19,710)	272,499	(268,767)
Interest (income) expense, net	50,700	126,069	252,133	349,556
Total expenses	658,036	556,651	1,798,471	1,398,847
Income (loss) before income taxes	$ (658,036)	$ (556,651)	$ (1,798,471)	$ (1,398,847)