Concentration of Credit Risk (Details Narrative) - Customer Concentration Risk |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jan. 31, 2017 |
Jan. 31, 2016 |
Jan. 31, 2017 |
Jan. 31, 2016 |
Apr. 30, 2016 |
|
| Accounts Receivable | One Customer | |||||
| Concentration Risk [Line Items] | |||||
| Concentration risk, percentage, approximate | 15.00% | ||||
| Accounts Receivable | Customer #3 | |||||
| Concentration Risk [Line Items] | |||||
| Concentration risk, percentage, approximate | 11.00% | ||||
| Accounts Receivable | Customer #2 | |||||
| Concentration Risk [Line Items] | |||||
| Concentration risk, percentage, approximate | 28.00% | ||||
| Accounts Receivable | Customer #1 | |||||
| Concentration Risk [Line Items] | |||||
| Concentration risk, percentage, approximate | 29.00% | ||||
| Sales Revenue | Customer #2 | |||||
| Concentration Risk [Line Items] | |||||
| Concentration risk, percentage, approximate | 17.00% | 14.00% | 10.00% | 14.00% | |
| Sales Revenue | Customer #1 | |||||
| Concentration Risk [Line Items] | |||||
| Concentration risk, percentage, approximate | 28.00% | 28.00% | 32.00% | 21.00% | |