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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - £ / shares
Jun. 30, 2020
Dec. 31, 2019
CONDENSED CONSOLIDATED BALANCE SHEETS    
Common stock, par value £ 0.01 £ 0.01
Common stock, shares authorized 10,000,000,000 10,000,000,000
Common stock, shares issued 3,386,573,113 2,245,865,913
Common stock, shares outstanding 3,386,573,113 2,245,865,913