Note 7 - Segment Information (Details) - Schedule of Segment Reporting Information, by Segment (USD $)	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Segment Reporting Information [Line Items]
Net sales	$ 3,199,975	$ 1,177,288
Cost of Sales	2,013,817	893,594
Gross Margin	1,186,158	283,694
Engineering, research, and development	480,377	578,604
Selling, general, and admin.	653,250	653,888
Amortization of debt expense	22,987	13,392
Amortization of deferred financing costs	27,080	27,080
Loss on extinguishment of debt	26,600	0
Change in fair value of common stock warrant	(24,572)	(249,394)
Interest (income) expense, net	104,077	92,468
Total expenses	1,289,799	1,116,038
Income (loss) before income taxes	(103,641)	(832,344)
Avionics Gov't [Member]
Segment Reporting Information [Line Items]
Net sales	2,802,842	549,966
Cost of Sales	1,662,246	315,929
Gross Margin	1,140,596	234,037
Avionics Comm'l. [Member]
Segment Reporting Information [Line Items]
Net sales	397,133	627,322
Cost of Sales	351,571	577,665
Gross Margin	45,562	49,657
Avionics Total [Member]
Segment Reporting Information [Line Items]
Net sales	3,199,975	1,177,288
Cost of Sales	2,013,817	893,594
Gross Margin	1,186,158	283,694
Engineering, research, and development	480,377	578,604
Selling, general, and admin.	264,145	316,989
Amortization of debt expense	0	0
Amortization of deferred financing costs	0	0
Change in fair value of common stock warrant	0	0
Interest (income) expense, net	0	0
Total expenses	744,522	895,593
Income (loss) before income taxes	441,636	(611,899)
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Net sales	0	0
Cost of Sales	0	0
Gross Margin	0	0
Engineering, research, and development	0	0
Selling, general, and admin.	389,105	336,899
Amortization of debt expense	22,987	13,392
Amortization of deferred financing costs	27,080	27,080
Loss on extinguishment of debt	26,600
Change in fair value of common stock warrant	(24,572)	(249,394)
Interest (income) expense, net	104,077	92,468
Total expenses	545,277	220,445
Income (loss) before income taxes	$ (545,277)	$ (220,445)