Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details)

v3.10.0.1
Summary of Significant Accounting Policies (Details)
3 Months Ended 12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Mar. 31, 2018
Accounts Receivable | Major Advertising Customer A      
Concentration Risk [Line Items]      
Concentrations of credit risk, percentage 33.10%    
Accounts Receivable | Customer A      
Concentration Risk [Line Items]      
Concentrations of credit risk, percentage     28.30%
Sales | Customer A      
Concentration Risk [Line Items]      
Concentrations of credit risk, percentage 29.00% 20.80%  
Sales | Customer C      
Concentration Risk [Line Items]      
Concentrations of credit risk, percentage 17.50% 10.80%  
Sales | Carrier Partner A      
Concentration Risk [Line Items]      
Concentrations of credit risk, percentage 50.70% 55.90%  
Sales | Carrier Partner B      
Concentration Risk [Line Items]      
Concentrations of credit risk, percentage 37.90% 24.20%