Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Additional Information (Detail)

v2.4.0.8
Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2012
Financing Receivable, Impaired [Line Items]      
Other comprehensive income/(loss) foreign currency translation adjustment net of tax $ 67 $ (72)  
Impairment of goodwill 0 1,119 2,969
Impairment of intangible assets 154    
Continuing Operations
      
Financing Receivable, Impaired [Line Items]      
Advertising expense 186 0  
Discontinued Operations
      
Financing Receivable, Impaired [Line Items]      
Advertising expense $ 5 $ 4  
Minimum
      
Financing Receivable, Impaired [Line Items]      
Intangible assets acquired, useful life 5 years    
Maximum
      
Financing Receivable, Impaired [Line Items]      
Intangible assets acquired, useful life 8 years    
Leasehold improvements
      
Financing Receivable, Impaired [Line Items]      
Property and equipment, estimated useful lives Lesser of 8 to 10 years or the term of the lease    
Leasehold improvements | Minimum
      
Financing Receivable, Impaired [Line Items]      
Property and equipment, estimated useful lives 8 years    
Leasehold improvements | Maximum
      
Financing Receivable, Impaired [Line Items]      
Property and equipment, estimated useful lives 10 years    
Other assets | Minimum
      
Financing Receivable, Impaired [Line Items]      
Property and equipment, estimated useful lives 4 years    
Other assets | Maximum
      
Financing Receivable, Impaired [Line Items]      
Property and equipment, estimated useful lives 5 years    
Accounts Receivable | Customer A
      
Financing Receivable, Impaired [Line Items]      
Concentrations of credit risk, percentage 49.10% 0.00%  
Accounts Receivable | Customer B
      
Financing Receivable, Impaired [Line Items]      
Concentrations of credit risk, percentage 13.40% 0.00%  
Sales | Customer A
      
Financing Receivable, Impaired [Line Items]      
Concentrations of credit risk, percentage 45.80% 0.00%  
Sales | Customer B
      
Financing Receivable, Impaired [Line Items]      
Concentrations of credit risk, percentage 22.20% 0.00%  
Sales | Customer C
      
Financing Receivable, Impaired [Line Items]      
Concentrations of credit risk, percentage 10.50% 51.90%