General form of registration statement for all companies including face-amount certificate companies

Condensed Statement Of Changes In Shareholder's Equity (Parenthetical)

v3.22.2
Condensed Statement Of Changes In Shareholder's Equity (Parenthetical) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Deemed dividend   $ 0 $ 0 $ 1,801
Stock-based compensation $ 4,460 14,610 7,762 11,960
Issuance of common stock upon early exercise of employee options value   $ 8 2,080  
Exchange Of Common Stock for Series D Convertible Preferred Stock [Member]        
Stock-based compensation       7,285
Series D Convertible Preferred Stock [Member]        
Temporary equity stock issuance costs       50
Series D-1 Convertible Preferred Stock [Member]        
Temporary equity stock issuance costs       $ 70
Series D-2 Convertible Preferred Stock [Member]        
Temporary equity stock issuance costs     362  
Series E Convertible Preferred Stock [Member]        
Temporary equity stock issuance costs     $ 132  
Contingently Redeemable Common Stock [Member]        
Adjustment to additional paid in capital stock issuance costs $ 27