Annual report pursuant to Section 13 and 15(d)

Note 14 - Stockholders' Equity - Warrant Assumptions to Determine Grant Date Fair Value (Details)

v3.22.0.1
Note 14 - Stockholders' Equity - Warrant Assumptions to Determine Grant Date Fair Value (Details)
Nov. 30, 2020
Measurement Input, Risk Free Interest Rate [Member] | Minimum [Member]  
Warrant assumptions 0.0035
Measurement Input, Risk Free Interest Rate [Member] | Maximum [Member]  
Warrant assumptions 0.0157
Measurement Input, Expected Dividend Rate [Member]  
Warrant assumptions 0
Measurement Input, Price Volatility [Member] | Minimum [Member]  
Warrant assumptions 0.9828
Measurement Input, Price Volatility [Member] | Maximum [Member]  
Warrant assumptions 1.0993
Measurement Input, Expected Term [Member] | Minimum [Member]  
Warrant assumptions 3.54
Measurement Input, Expected Term [Member] | Maximum [Member]  
Warrant assumptions 3.77
Measurement Input, Share Price [Member]  
Warrant assumptions 2.50
Measurement Input, Exercise Price [Member]  
Warrant assumptions 2.50