CONTINGENT LIABILITY (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
May 31, 2019 |
May 31, 2018 |
Feb. 28, 2019 |
|
| Loss Contingency [Abstract] | |||
| Business Combination, Liabilities Arising from Contingencies, Amount Recognized | $ 1,000,000 | ||
| Business Combination, Contingent Consideration, Liability, Current | 1,000,000 | $ 0 | $ 678,111 |
| Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability | $ 321,889 | $ 0 | |
| X | ||||||||||
- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The amount, measured at acquisition-date fair value, of all liabilities assumed that arise from contingencies and were recognized by the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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