Inventories (Tables)

9 Months Ended

Dec. 31, 2011

Inventories [Abstract]

Components Of Inventories

	December 31, 2011		March 31, 2011
Raw materials	$	4,964	$	4,548
Work in process		473		27
Finished goods		3,977		4,350
	$	9,414	$	8,925