Note 5 Inventories (Tables)

6 Months Ended

Sep. 30, 2012

Inventory Net [Abstract]

Schedule of Inventory, Current [Table Text Block]

	September 30,		March 31,
	2012		2012
	(unaudited)
Raw materials	$	21,438	$	23,200
Work in process		41,345		41,570
Finished goods		26,800		21,470
Total	$	89,583	$	86,240