Annual report pursuant to Section 13 and 15(d)

Note 11 - Derivative Warrant Liabilities - Assumptions (Details)

v3.20.2
Note 11 - Derivative Warrant Liabilities - Assumptions (Details)
Mar. 31, 2020
Mar. 31, 2019
May 09, 2018
Dec. 27, 2017
Measurement Input, Exercise Price [Member] | Warrants Issued in May 2018 [Member]        
Derivative warrant liability, measurement input 1.31 1.31 1.31  
Measurement Input, Exercise Price [Member] | Warrants Issued December 27, 2017 [Member]        
Derivative warrant liability, measurement input 1.26 1.26   1.26
Measurement Input, Share Price [Member] | Warrants Issued in May 2018 [Member]        
Derivative warrant liability, measurement input 0.53 1.35 0.82  
Measurement Input, Share Price [Member] | Warrants Issued December 27, 2017 [Member]        
Derivative warrant liability, measurement input 0.38 1.02   0.97
Measurement Input, Risk Free Interest Rate [Member] | Warrants Issued in May 2018 [Member]        
Derivative warrant liability, measurement input 0.0066 0.0152 0.0221  
Measurement Input, Risk Free Interest Rate [Member] | Warrants Issued December 27, 2017 [Member]        
Derivative warrant liability, measurement input 0.0037 0.0223   0.0222
Measurement Input, Expected Term [Member] | Warrants Issued in May 2018 [Member]        
Derivative warrant liability, measurement input 3.11 4.11 5  
Measurement Input, Expected Term [Member] | Warrants Issued December 27, 2017 [Member]        
Derivative warrant liability, measurement input 2.74 3.75   5
Measurement Input, Price Volatility [Member] | Warrants Issued in May 2018 [Member]        
Derivative warrant liability, measurement input 1.07 0.9458 0.874  
Measurement Input, Price Volatility [Member] | Warrants Issued December 27, 2017 [Member]        
Derivative warrant liability, measurement input 1.2503 1.0757   0.9352