Annual report pursuant to Section 13 and 15(d)

Note 13 - Capital and Other Components of Equity - Assumptions for May 2018 Broker Warrants (Details)

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Note 13 - Capital and Other Components of Equity - Assumptions for May 2018 Broker Warrants (Details) - Broker Warrants Issued May 2018 [Member]
May 09, 2018
Measurement Input, Exercise Price [Member]  
Derivative warrant liability, measurement input 1.05
Measurement Input, Share Price [Member]  
Derivative warrant liability, measurement input 0.81
Measurement Input, Risk Free Interest Rate [Member]  
Derivative warrant liability, measurement input 0.022
Measurement Input, Expected Term [Member]  
Derivative warrant liability, measurement input 5
Measurement Input, Price Volatility [Member]  
Derivative warrant liability, measurement input 0.874