Note 5 Inventories (Tables)

3 Months Ended

Jun. 30, 2012

Inventory Net [Abstract]

Schedule of Inventory, Current [Table Text Block]

	2012		2012
	(unaudited)
Raw materials	$	23,325	$	24,157
Work in process		38,568		40,505
Finished goods		23,915		21,578
Total	$	85,808	$	86,240