Note 6 Inventories (Tables)

9 Months Ended

Dec. 31, 2013

Inventory Net [Abstract]

Schedule of Inventory, Current [Table Text Block]

	December 31,		March 31,
	2013		2013
	(unaudited)
Raw materials	$	20,950	$	17,349
Work in process		44,683		41,036
Finished goods		28,014		25,444
Total	$	93,647	$	83,829