CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) - USD ($)
$ in Thousands
Total
Cumulative Effect, Period of Adoption, Adjustment
Class A Common Stock
Class B Common Stock
Class A Preferred Units
Class A-1 Preferred Units
Preferred/Common Units
Preferred/Common Units
Class A Preferred Units
Preferred/Common Units
Class A-1 Preferred Units
Common Stock
Common Stock
Class A Common Stock
Common Stock
Class B Common Stock
Additional Paid-in Capital
Additional Paid-in Capital
Cumulative Effect, Period of Adoption, Adjustment
Accumulated Deficit
Accumulated Deficit
Cumulative Effect, Period of Adoption, Adjustment
Accumulated Other Comprehensive Income
Noncontrolling Interests
Beginning balance, preferred (in units) at Dec. 31, 2018               5,060,000 5,007,000                  
Beginning balance, common (in units) at Dec. 31, 2018             54,761,000                      
Beginning balance, members' equity at Dec. 31, 2018             $ 86 $ 3,309 $ 3,398                  
Beginning balance, stockholders' equity at Dec. 31, 2018 $ (152,607) $ 16,767                     $ 3,356   $ (162,791) $ 16,767 $ 35 $ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                    
Net Loss (22,439)                           (22,439)      
Net Loss (22,439)                                  
Stock-based compensation 1,747                       1,747          
Foreign currency translation 141                               141  
Foreign currency translation 141                                  
Ending balance, preferred (in units) at Dec. 31, 2019               5,060,000 5,007,000                  
Ending balance, common (in units) at Dec. 31, 2019             54,761,000                      
Ending balance, members' equity at Dec. 31, 2019             $ 86 $ 3,309 $ 3,398                  
Ending balance, stockholders' equity at Dec. 31, 2019 (156,391)                       5,103   (168,463)   176 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                    
Net Loss (24,663)                           (24,663)      
Net Loss (24,663)                                  
Stock-based compensation 1,730                       1,730          
Foreign currency translation 120                               120  
Redeemable preferred unit accretion (219,257)                           (219,257)      
Foreign currency translation 120                                  
Ending balance, preferred (in units) at Dec. 31, 2020         5,060,000 5,007,000   5,060,000 5,007,000                  
Ending balance, common (in units) at Dec. 31, 2020             54,761,000                      
Ending balance, common (in shares) at Dec. 31, 2020             86,000                      
Ending balance, members' equity at Dec. 31, 2020 (398,461)           $ 86 $ 3,309 $ 3,398           (412,383)   296  
Ending balance, stockholders' equity at Dec. 31, 2020 (398,461)                       6,833   (412,383)   296 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                    
Net Loss (5,726)                           (5,726)      
Net Loss (5,726)                                  
Stock-based compensation 502                       502          
Foreign currency translation 34                               34  
Ending balance, preferred (in units) at Mar. 31, 2021               5,060,000 5,007,000                  
Ending balance, common (in units) at Mar. 31, 2021             54,761,000                      
Ending balance, members' equity at Mar. 31, 2021 (403,651)           $ 86 $ 3,309 $ 3,398       7,335   (418,109)   330  
Beginning balance, preferred (in units) at Dec. 31, 2020         5,060,000 5,007,000   5,060,000 5,007,000                  
Beginning balance, common (in units) at Dec. 31, 2020             54,761,000                      
Beginning balance, common (in shares) at Dec. 31, 2020             86,000                      
Beginning balance, members' equity at Dec. 31, 2020 (398,461)           $ 86 $ 3,309 $ 3,398           (412,383)   296  
Beginning balance, stockholders' equity at Dec. 31, 2020 (398,461)                       6,833   (412,383)   296 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                    
Net Loss (23,546)                           (23,546)      
Net Loss (30,679) (7,133)                         (3,779)     (3,354)
Stock-based compensation 53,509 1,451                     50,105 $ 1,451       3,404
Foreign currency translation 13                               13  
Reverse recapitalization, net (in shares)               (5,060,000) (5,007,000) (54,761,000) 83,875,000 73,971,000            
Reverse recapitalization, net 470,011             $ (3,309) $ (3,398) $ (86) $ 8 $ 7 450,794       (152) 26,147
Foreign currency translation (26) $ (39)                             (21) (18)
Activity under stock compensation plans (in shares)     38,000 16,000                            
Rebalancing of controlling and noncontrolling interests                         (18,963)         18,963
Ending balance, common (in shares) at Dec. 31, 2021                     83,913,000 73,987,000            
Ending balance, members' equity at Dec. 31, 2021                     $ 8 $ 7            
Ending balance, stockholders' equity at Dec. 31, 2021 95,805                   $ 8 $ 7 490,220   (439,708)   136 45,142
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                    
Net Loss 0                                  
Net Loss (31,747)                           (16,845)     (14,902)
Stock-based compensation 13,101                       12,697         404
Foreign currency translation (73)                               (39) (34)
Activity under stock compensation plans (in shares)                     764,000 277,000            
Activity under stock compensation plans (49)                       (49)          
Rebalancing of controlling and noncontrolling interests                         (5,598)         5,598
Ending balance, common (in shares) at Mar. 31, 2022                     84,677,000 74,264,000            
Ending balance, stockholders' equity at Mar. 31, 2022 $ 77,037                   $ 8 $ 7 $ 497,270   $ (456,553)   $ 97 $ 36,208