Prepaid Expenses and Other Current Assets (Details) - USD ($) |
9 Months Ended | |
|---|---|---|
Feb. 29, 2020 |
Feb. 28, 2019 |
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| Disclosure Text Block Supplement [Abstract] | ||
| Accounts Receivable, Credit Loss Expense (Reversal) | $ 101,512 | |
| Escrow Deposit Disbursements Related to Property Acquisition | $ 136,190 | $ 136,190 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of escrow deposit disbursements related to property acquisition in noncash investing or financing transactions. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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