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Stockholders' equity - Other (Details) - $ / shares
Dec. 31, 2022
Dec. 31, 2021
Equity [Abstract]    
Preferred stock shares authorized (in shares) 5,000,000  
Preferred stock, par value (in usd per share) $ 0.0001  
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0