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CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY (DEFICIT) - Schedule of Convertible Preferred Stock (Details) - USD ($)
$ / shares in Units, $ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Class of Stock    
Preferred stock, shares authorized (shares) 0 4,203,139
Preferred stock. shares issued (shares) 0 4,203,139
Preferred stock, shares outstanding (shares) 0 4,203,139
Liquidation amount   $ 24,929
Carrying value $ 0 $ 45,105
Series A    
Class of Stock    
Preferred stock, shares authorized (shares)   1,090,868
Preferred stock. shares issued (shares)   1,090,868
Preferred stock, shares outstanding (shares)   1,090,868
Original issuance price (usd per share) $ 0.9167 $ 0.9167
Liquidation amount   $ 1,000
Carrying value   $ 1,000
Series B    
Class of Stock    
Preferred stock, shares authorized (shares)   1,401,399
Preferred stock. shares issued (shares)   1,401,399
Preferred stock, shares outstanding (shares)   1,401,399
Original issuance price (usd per share) 2.67903 $ 2.67903
Liquidation amount   $ 3,754
Carrying value   $ 22,827
Series B-1    
Class of Stock    
Preferred stock, shares authorized (shares)   644,541
Preferred stock. shares issued (shares)   644,541
Preferred stock, shares outstanding (shares)   644,541
Original issuance price (usd per share) 5.54619 $ 5.54619
Liquidation amount   $ 3,575
Carrying value   $ 4,108
Series C    
Class of Stock    
Preferred stock, shares authorized (shares)   1,066,331
Preferred stock. shares issued (shares)   1,066,331
Preferred stock, shares outstanding (shares)   1,066,331
Original issuance price (usd per share) $ 15.56770 $ 15.5677
Liquidation amount   $ 16,600
Carrying value   $ 17,170