Subsequent Events (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Sep. 03, 2018 |
Apr. 30, 2018 |
Apr. 30, 2017 |
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| Subsequent Event [Line Items] | |||
| Payment of letter of credit | $ 2,150,000 | ||
| Subsequent Event [Member] | USU [Member] | |||
| Subsequent Event [Line Items] | |||
| Payment of letter of credit | $ 255,708 | ||
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- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. No definition available.
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