Quarterly report pursuant to sections 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

v2.4.0.6
Commitments and Contingencies - Additional Information (Detail)
In Thousands, unless otherwise specified
6 Months Ended
Sep. 30, 2012
USD ($)
Sep. 30, 2011
USD ($)
May 04, 2012
GBP (£)
Mar. 06, 2012
USD ($)
Loss Contingencies [Line Items]        
Future minimum payments under initial terms of leases $ 57      
Rental expense for continuing operations 152 92    
Dispute settlement amount     £ 23 $ 73