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UNAUDITED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
6 Months Ended 12 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Shareholders' equity:    
Common Shares, par value $ 0 $ 0
Common Stock, Shares Authorized, Unlimited [Fixed List] Unlimited Unlimited
Common shares outstanding 102,096,256 100,698,124