Note 4 -Inventories, net (Tables)

6 Months Ended

Sep. 30, 2012

Schedule of Inventory, Current [Table Text Block]

Inventories consist of:

	September 30, 2012			March 31, 2012
Purchased parts	$	4,539,202		$	3,452,832
Work-in-process		2,084,641			1,725,395
Finished goods		140,994			45,748
Less: Inventory reserve		(200,000	)		(200,000	)
	$	6,564,837		$	5,023,975