Note 4 - Inventories (Tables)

12 Months Ended

Mar. 31, 2015

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	Year Ended March 31,
	2015			2014
Aircraft parts and supplies	$	-		$	119,638
Ground support service parts		938,072			608,674
Ground equipment manufacturing:
Raw materials		2,583,797			6,965,659
Work in process		1,535,152			1,814,791
Finished goods		3,045,761			3,486,269
Total inventories		8,102,782			12,995,031
Reserves		(313,133	)		(755,562	)
Total, net of reserves	$	7,789,650		$	12,239,469