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Equity Investment and Royalties (Tables)
 6 Months Ended
Jun. 30, 2022
Equity Investment And Royalties [Abstract]  
Schedule of stock options, valuation assumptions [Table Text Block]
Assumptions:  
Risk-free rate (%)   0.09  
Expected stock price volatility (%)   161.30  
Expected dividend yield (%)   0  
Expected life of options (years)   0.58