Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Right to Use Assets and Liabilities - Operating Leases (Details)

v3.19.3
Note 10 - Right to Use Assets and Liabilities - Operating Leases (Details)
3 Months Ended
Aug. 31, 2019
USD ($)
Note 10 - Right to Use Assets and Liabilities - Operating Leases (Details) [Line Items]  
Operating Lease, Expense $ 106,370
Operating Lease, Cost $ 87,313
Minimum [Member]  
Note 10 - Right to Use Assets and Liabilities - Operating Leases (Details) [Line Items]  
Lessee, Operating Lease, Term of Contract 1 year
Maximum [Member]  
Note 10 - Right to Use Assets and Liabilities - Operating Leases (Details) [Line Items]  
Lessee, Operating Lease, Term of Contract 4 years