Note 5 Inventories (Tables)

9 Months Ended

Dec. 31, 2012

Inventory Net [Abstract]

Schedule of Inventory, Current [Table Text Block]

	December 31,		March 31,
	2012		2012
	(unaudited)
Raw materials	$	19,577	$	23,200
Work in process		40,541		41,570
Finished goods		27,266		21,470
Total	$	87,384	$	86,240