Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) |
May 31, 2021 |
May 31, 2020 |
|---|---|---|
| Intangible assets, gross | $ 8,752,000 | $ 8,752,000 |
| Less: Accumulated amortization | (707,147) | |
| Intangible assets, net | 8,044,853 | 8,752,000 |
| Trademarks and Trade Names [Member] | ||
| Intangible assets, gross | 806,000 | 806,000 |
| Customer Relationships [Member] | ||
| Intangible assets, gross | 7,633,000 | 7,633,000 |
| Noncompete Agreements [Member] | ||
| Intangible assets, gross | $ 313,000 | $ 313,000 |