Annual report pursuant to section 13 and 15(d)

Intangible Assets - Additional Information (Detail)

v2.4.0.8
Intangible Assets - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Goodwill And Intangible Assets [Line Items]    
Increase In Intangible Assets $ 4,471  
Unamortizable Intangible Assets, Impairment of intangibles   2,319
Amortization expense, in cost of revenues 530 230
Trade name / Trademark
   
Goodwill And Intangible Assets [Line Items]    
Indefinite intangible assets excluded from amortization schedule $ 154