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Condensed Balance Sheets (Parenthetical) - $ / shares
6 Months Ended 12 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]    
Preferred shares, par value
Preferred shares, shares authorized Unlimited Unlimited
Preferred shares, shares issued
Preferred shares, shares outstanding
Ordinary shares, par value
Ordinary shares, authorized Unlimited Unlimited
Ordinary shares, shares issued 2,976,691 2,976,691
Ordinary shares, shares outstanding 2,976,691 2,976,691