XML 32 R21.htm IDEA: XBRL DOCUMENT v3.5.0.2
Summary of Significant Accounting Policies - Additional Information (Details)
6 Months Ended 12 Months Ended
Sep. 30, 2016
Mar. 31, 2016
Two largest customers [Member] | Customer Concentration Risk | Accounts Receivable    
Concentration Risk [Line Items]    
Concentration risk percentage 75.00% 69.00%