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CONSOLIDATED BALANCE SHEET (Parenthetical) - $ / shares
Dec. 31, 2021
Dec. 14, 2021
Dec. 31, 2020
Dec. 31, 2019
Stockholders’ equity        
Ordinary shares, par value (in dollars per share) $ 0.10 $ 0.05    
Authorized shares (in shares) 180,000,000   119,326,923 68,750,000
Issued shares (in shares) 137,218,175   110,159,352 56,139,033
Outstanding shares (in shares) 136,811,842   109,429,494