Note 15 - Contingent Liability (Details) - USD ($) |
Feb. 28, 2019 |
May 31, 2018 |
|---|---|---|
| Loss Contingency [Abstract] | ||
| Business Combination, Liabilities Arising from Contingencies, Amount Recognized | $ 1,000,000 | |
| Business Combination, Contingent Consideration, Liability, Current | $ 678,111 | $ 0 |
| 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
|
| 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
|
| X | ||||||||||
- References No definition available.
|