Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Additional Information (Detail)

v3.7.0.1
Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Mar. 31, 2015
Significant Accounting Policies [Line Items]      
Restricted cash $ 331 $ 0  
Deposits 121 213  
Software costs capitalized 1,387 1,263 $ 62
Foreign currency translation (119) $ (150) $ 147
Impairment $ 757    
Minimum      
Significant Accounting Policies [Line Items]      
Intangible assets acquired, useful life 2 years    
Maximum      
Significant Accounting Policies [Line Items]      
Intangible assets acquired, useful life 14 years    
Leasehold improvements | Minimum      
Significant Accounting Policies [Line Items]      
Property and equipment, estimated useful lives 8 years    
Leasehold improvements | Maximum      
Significant Accounting Policies [Line Items]      
Property and equipment, estimated useful lives 10 years    
Other assets | Minimum      
Significant Accounting Policies [Line Items]      
Property and equipment, estimated useful lives 3 years    
Other assets | Maximum      
Significant Accounting Policies [Line Items]      
Property and equipment, estimated useful lives 5 years    
Accounts Receivable | Customer A      
Significant Accounting Policies [Line Items]      
Concentrations of credit risk, percentage 11.20% 15.60%  
Accounts Receivable | Customer C      
Significant Accounting Policies [Line Items]      
Concentrations of credit risk, percentage 10.70% 10.30%  
Sales | Customer A      
Significant Accounting Policies [Line Items]      
Concentrations of credit risk, percentage 21.60% 26.10% 50.60%
Sales | Customer B      
Significant Accounting Policies [Line Items]      
Concentrations of credit risk, percentage 12.20%    
Sales | Customer C      
Significant Accounting Policies [Line Items]      
Concentrations of credit risk, percentage 11.50%   11.10%
Sales | Customer D      
Significant Accounting Policies [Line Items]      
Concentrations of credit risk, percentage 11.10%    
Continuing Operations      
Significant Accounting Policies [Line Items]      
Advertising expense $ 263 $ 396 $ 406
Trade Names      
Significant Accounting Policies [Line Items]      
Accelerated amortization   $ 224