Quarterly report pursuant to sections 13 or 15(d)

Property and Equipment (Detail)

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Property and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Mar. 31, 2013
Property, Plant and Equipment [Line Items]    
Equipment $ 874 $ 1,412
Furniture & fixtures 417 499
Leasehold improvements 15  
Property, Plant and Equipment, Gross, Total 1,306 1,911
Accumulated depreciation (879) (1,763)
Net Property and Equipment $ 427 $ 148