Product Warranty (Tables)

6 Months Ended

Sep. 30, 2014

Product Warranties Disclosures [Abstract]

Changes in Carrying Amount of Accrued Product Warranty Costs

Changes in the carrying amount of accrued product warranty costs for the six month period ended September 30, 2014 are summarized as follows:

Balance at March 31, 2014	$	284
Warranty costs incurred		(80	)
Change in estimates to pre-existing warranties		—
Product warranty accrual		153
Balance at September 30, 2014	$	357