Senior Secured Term Loan (Details) - USD ($) |
1 Months Ended | 3 Months Ended | |
|---|---|---|---|
Jul. 25, 2017 |
Jul. 31, 2017 |
Jul. 31, 2016 |
|
| Debt Instrument [Line Items] | |||
| Proceeds from term loan | $ 4,732,677 | ||
| Fair value of warrants issued as part of senior secured loan | $ 478,428 | ||
| Warrant [Member] | |||
| Debt Instrument [Line Items] | |||
| Warrants granted | 224,174 | ||
| Secured Debt [Member] | Runway Growth Capital Fund [Member] | |||
| Debt Instrument [Line Items] | |||
| Debt instrument face amount | $ 10,000,000 | ||
| LIBOR interest rate | 10.00% | ||
| Proceeds from term loan | $ 5,000,000 | ||
| Remaining amount | $ 5,000,000 | ||
| Debt term | 4 years | ||
| Origination fee | Company paid a 0.25% origination fee and will pay another 0.25% origination fee upon the second closing, will be subject to a final payment fee of 3.25% of the principal lent | ||
| Secured Debt [Member] | Runway Growth Capital Fund [Member] | Warrant [Member] | |||
| Debt Instrument [Line Items] | |||
| Term of award | P5Y | ||
| Warrants granted | 224,174 | ||