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Inventory (Tables)

3 Months Ended

Jun. 30, 2011

Inventory

Schedule Of Inventory

	June  30,	March 31,
	2011	2011
Raw materials	$19,800	$17,100
Work-in-process	4,423	2,432
Finished goods	4,413	3,915
Deferred program costs	2,432	2,381
Net inventory	$31,068	$25,828

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