Quarterly report pursuant to sections 13 or 15(d)

Property and Equipment - Additional Information (Detail)

v2.4.0.8
Property and Equipment - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Property, Plant and Equipment [Line Items]    
Depreciation expense $ 31 $ 29