REVENUE FROM CONTRACTS WITH CUSTOMERS - Schedule of Customer Deposits (Details) - USD ($) |
12 Months Ended | |
---|---|---|
May 31, 2022 |
May 31, 2021 |
|
Customer Deposits [Roll Forward] | ||
Balance, beginning of period | $ 0 | $ 0 |
Customer deposits received | 9,524,000 | 0 |
Customer deposits refunded | 0 | 0 |
Balance, end of period | $ 9,524,000 | $ 0 |