Quarterly report pursuant to sections 13 or 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
3 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2013
Jun. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Mar. 31, 2013
Financing Receivable, Impaired [Line Items]            
Deposits $ 48     $ 48   $ 563
Advertising expense for continuing operations 66   0 82 0  
Other comprehensive income (loss) foreign currency translation adjustment net of tax 333 105   438 (3)  
Impairment of goodwill 0     0   1,119
Impairment of intangible assets $ 0         $ 0
Leasehold improvements
           
Financing Receivable, Impaired [Line Items]            
Property and equipment, estimated useful lives       Lesser of 8 to 10 years or the term    
Other assets | Scenario 1
           
Financing Receivable, Impaired [Line Items]            
Property and equipment, estimated useful lives       3 years    
Other assets | Scenario 2
           
Financing Receivable, Impaired [Line Items]            
Property and equipment, estimated useful lives       5 years    
Customer A
           
Financing Receivable, Impaired [Line Items]            
Account receivable major customer percentage 39.00%     39.00%   0.00%
Revenue major customer percentage       37.00%    
Customer B
           
Financing Receivable, Impaired [Line Items]            
Account receivable major customer percentage 22.00%     22.00%   6.60%
Revenue major customer percentage       29.00%    
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