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COMBINED AND CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Allowance for doubtful accounts receivable $ 32 $ 0
Convertible preferred stock, shares authorized   129,788,828
Convertible preferred stock, shares issued   95,010,858
Convertible preferred stock, shares outstanding   95,010,858
Hyperfine Convertible Preferred Stock    
Convertible preferred stock, par value $ 0.0001 $ 0.0001
Convertible preferred stock, aggregate liquidation preference $ 0 $ 147,651
Convertible preferred stock, shares authorized 0 129,788,828
Convertible preferred stock, shares issued 0 95,010,858
Convertible preferred stock, shares outstanding 0 95,010,858
Class A Common Stock    
Common shares, par value, (per share) $ 0.0001 $ 0.0001
Common shares, shares authorized 600,000,000 130,000,000
Common shares, shares issued 55,277,061 1,576,137
Common shares, shares outstanding 55,277,061 1,576,137
Class B Common Stock    
Common shares, par value, (per share) $ 0.0001 $ 0.0001
Common shares, shares authorized 27,000,000 0
Common shares, shares issued 15,055,288 0
Common shares, shares outstanding 15,055,288 0