Quarterly report pursuant to Section 13 or 15(d)

Note 15 - Notes Payable and Convertible Notes Payable (Details) - Convertible Debt

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Note 15 - Notes Payable and Convertible Notes Payable (Details) - Convertible Debt - USD ($)
 3 Months Ended 12 Months Ended
Jun. 01, 2018
Aug. 31, 2019
May 31, 2019
Note 15 - Notes Payable and Convertible Notes Payable (Details) - Convertible Debt [Line Items]      
Convertible Notes Payable, Gross   $ 18,705,396 $ 18,360,230
Less: Discount   (3,423,940) (3,819,010)
Convertible Notes Payable,   15,281,456 14,541,220
Total - Convertible Notes Payable, Net of Discounts, Current Portion   0  
Total - Convertible Notes Payable, Net of Discounts, Long-term Portion   15,281,456 14,541,220
Discounts on notes payable amortized to interest expense $ 35,833 448,291 818,254
Navy Capital Debenture 1 [Member]      
Note 15 - Notes Payable and Convertible Notes Payable (Details) - Convertible Debt [Line Items]      
Convertible Notes Payable, Gross   4,218,931 4,135,306
Navy Capital Debenture 2 [Member]      
Note 15 - Notes Payable and Convertible Notes Payable (Details) - Convertible Debt [Line Items]      
Convertible Notes Payable, Gross   1,054,733 1,033,827
Murray FA Debenture [Member]      
Note 15 - Notes Payable and Convertible Notes Payable (Details) - Convertible Debt [Line Items]      
Convertible Notes Payable, Gross   105,635 103,541
Darling Capital Debenture [Member]      
Note 15 - Notes Payable and Convertible Notes Payable (Details) - Convertible Debt [Line Items]      
Convertible Notes Payable, Gross   561,856 550,719
Sabharwal Debenture [Member]      
Note 15 - Notes Payable and Convertible Notes Payable (Details) - Convertible Debt [Line Items]      
Convertible Notes Payable, Gross   158,383 155,244
Srinivasan Debenture 6 [Member]      
Note 15 - Notes Payable and Convertible Notes Payable (Details) - Convertible Debt [Line Items]      
Convertible Notes Payable, Gross   79,192 77,622
US Convertible Debenture 7 [Member]      
Note 15 - Notes Payable and Convertible Notes Payable (Details) - Convertible Debt [Line Items]      
Convertible Notes Payable, Gross   $ 12,526,666 $ 12,303,971