Note 4 - Inventories

12 Months Ended

Mar. 31, 2016

Notes to Financial Statements

Inventory Disclosure [Text Block]

4. INVENTORIES

Inventories consisted of the following:

	Year Ended March 31,
	2016			2015
Ground support service parts	$	1,566,694		$	938,072
Ground equipment manufacturing:
Raw materials		1,549,810			2,583,797
Work in process		408,213			1,535,152
Finished goods		4,328,812			3,045,761
Printing equipment and maintenance
Raw materials		3,319,939			-
Work in process		759,446			-
Finished goods		562,912			-
Total inventories		12,495,826			8,102,782
Reserves		(221,722	)		(313,133	)
Total, net of reserves	$	12,274,104		$	7,789,650