SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) |
9 Months Ended | 12 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Feb. 28, 2022 |
May 31, 2021 |
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| SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Property, Plant and Equipment [Table Text Block] |
Property, plant and equipment consisted of the following at February 28, 2022 and May 31, 2021.
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Property, plant and equipment consisted of the following at May 31, 2021 and 2020:
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| Disaggregation of Revenue [Table Text Block] |
The following table represents a disaggregation of revenue for the three and nine months ended February 28, 2022 and 2021:
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The following table represents a disaggregation of revenue for the years ended May 31, 2021 and 2020:
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| Estimated Useful LIfe [Member] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) [Line Items] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Property, Plant and Equipment [Table Text Block] |
Property and equipment is recorded at the lower of cost or estimated net recoverable amount, and is depreciated using the straight-line method over its estimated useful life. Property acquired in a business combination is recorded at estimated initial fair value. Property, plant, and equipment are depreciated using the straight-line method based on the lesser of the estimated useful lives of the assets or the lease term based upon the following life expectancy:
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Property and equipment is recorded at the lower of cost or estimated net recoverable amount, and is depreciated using the straight-line method over its estimated useful life. Property acquired in a business combination is recorded at estimated initial fair value. Property, plant, and equipment are depreciated using the straight-line method based on the lesser of the estimated useful lives of the assets or the lease term based upon the following life expectancy:
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