Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Additional Information (Detail)

v3.8.0.1
Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Mar. 31, 2016
Significant Accounting Policies [Line Items]      
Restricted cash $ 331 $ 331  
Deposits 151 121  
Software costs capitalized 1,641 1,387 $ 1,263
Foreign currency translation adjustment (4) $ (119) (150)
XYO      
Significant Accounting Policies [Line Items]      
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    
Customer A | Accounts Receivable      
Significant Accounting Policies [Line Items]      
Concentrations of credit risk, percentage 28.30% 17.80%  
Customer A | Sales      
Significant Accounting Policies [Line Items]      
Concentrations of credit risk, percentage 23.50% 26.10%  
Customer B | Accounts Receivable      
Significant Accounting Policies [Line Items]      
Concentrations of credit risk, percentage   16.20%  
Customer B | Sales      
Significant Accounting Policies [Line Items]      
Concentrations of credit risk, percentage 16.10% 21.90%  
Customer C | Accounts Receivable      
Significant Accounting Policies [Line Items]      
Concentrations of credit risk, percentage   10.70%  
Customer C | Sales      
Significant Accounting Policies [Line Items]      
Concentrations of credit risk, percentage   15.90%  
O&O      
Significant Accounting Policies [Line Items]      
Advertising expense $ 83 $ 263 $ 396