Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Detail)

v3.10.0.1
Subsequent Events (Detail) - USD ($)
$ in Thousands
Jul. 01, 2018
Apr. 17, 2018
Wells Notice    
Subsequent Event [Line Items]    
Loss contingency accrual payable   $ 100,000
Subsequent Event | Subsidiaries | Chargewave Ptd Ltd    
Subsequent Event [Line Items]    
License revenue, term of agreement 36 months  
Liquidity transactions, percent of net proceeds entitled to 20.00%  
Subsequent Event | Subsidiaries | Chargewave Ptd Ltd | Minimum    
Subsequent Event [Line Items]    
License revenue, percent of gross profits entitled to 0.00%  
Subsequent Event | Subsidiaries | Chargewave Ptd Ltd | Maximum    
Subsequent Event [Line Items]    
License revenue, percent of gross profits entitled to 70.00%