ACCOUNTS RECEIVABLE (Details) - USD ($) |
3 Months Ended | 6 Months Ended | 12 Months Ended | 15 Months Ended | |||
|---|---|---|---|---|---|---|---|
Nov. 30, 2021 |
Nov. 30, 2020 |
Nov. 30, 2021 |
Nov. 30, 2020 |
May 31, 2021 |
May 31, 2020 |
Nov. 30, 2021 |
|
| Receivables [Abstract] | |||||||
| Accounts Receivable, after Allowance for Credit Loss, Current | $ 799,866 | $ 684,935 | $ 799,866 | $ 684,935 | $ 684,935 | $ 161,409 | $ 799,866 |
| Accounts Receivable, Credit Loss Expense (Reversal) | $ 129 | $ 0 | $ 129 | $ 5,992 | $ 15,798 | 108,392 | $ 129 |
| Accounts Receivable, Allowance for Credit Loss, Writeoff | $ 101,512 | ||||||
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of direct write-downs of accounts receivable charged against the allowance. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|