Summary of ASC 480 Allocation of Proceeds of Registered Offering (Detail) |
3 Months Ended |
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Aug. 31, 2018
USD ($)
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| Stockholders Equity Note [Line Items] | |
| Proceeds from issuance of common shares | $ 8,990,000 |
| Common Stock Including Additional Paid in Capital | |
| Stockholders Equity Note [Line Items] | |
| Proceeds from issuance of common shares | 6,334,417 |
| Warrants (equity allocation) | |
| Stockholders Equity Note [Line Items] | |
| Proceeds from issuance of common shares | $ 2,655,583 |
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- Definition Stockholders Equity Note [Line Items] No definition available.
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- Definition The cash inflow from the additional capital contribution to the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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