Quarterly report pursuant to Section 13 or 15(d)

Note 16 - Contingent Liability (Details)

v3.19.3
Note 16 - Contingent Liability (Details) - USD ($)
12 Months Ended
May 31, 2019
Aug. 31, 2019
Jun. 27, 2018
Loss Contingency [Abstract]      
Business Combination, Liabilities Arising from Contingencies, Amount Recognized $ 1,000,000    
Business Combination, Contingent Consideration, Liability, Current 1,000,000 $ 1,000,000 $ 678,111
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability $ 321,889