Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION (Narrative) (Details)

v3.22.0.1
STOCK-BASED COMPENSATION (Narrative) (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Nov. 30, 2021
USD ($)
shares
Jun. 23, 2021
USD ($)
Nov. 30, 2021
USD ($)
shares
Apr. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
award
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Dec. 31, 2019
USD ($)
$ / shares
Jun. 07, 2021
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Expiration period         1 year      
Options available for future option grants | shares         208,704 1,548,562    
Weighted average fair value of option (usd per share) | $ / shares         $ 2.31 $ 0.53 $ 0.35  
Cost not yet recognized         $ 4,128      
Period for cost yet to be recognized         2 years 4 months 28 days      
Remaining expiration period         24 months      
Founders terminated or leave period         12 months      
Percentage of vesting rights         0.50      
Incremental cost         $ 623      
Notes receivable, related parties       $ 1,199        
Exercises of fully vested options       740        
Remainder amount of other purposes and recognized bonus related expense upon forgiveness         459      
General and administrative                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Incremental cost         47      
Employees                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Stock based compensation expenses         262 $ 162 $ 52  
Other Noncurrent Assets                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Loans not used by founders to exercise stock options         459      
Founders Promissory Note                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Notes receivable, related parties       $ 1,199       $ 1,076
Loan granted amount   $ 123            
Stated rate       0.0089        
Founders Loan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Exercises of fully vested options         $ 740      
Total principal amount, interest forgiven $ 1,199   $ 1,199          
Tranche One                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting rights, percentage         75.00%      
Tranche Two                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting rights, percentage         25.00%      
Founders Awards                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period         3 years 4 years    
Approved amendment granted | award         2      
Legacy Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vesting period         4 years      
Granted (in shares) | shares         0      
Legacy Plan | Employees                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Granted (in shares) | shares         1,590,997      
Incentive Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of common stock equal to the fully-diluted shares outstanding 10.00%   10.00%          
Options available for future option grants | shares 15,617,049   15,617,049          
Annual increase period 10 years              
Aggregate number of shares of common stock outstanding 5.00%              
Number of issued and outstanding shares of common stock fully diluted basis 30.00%   30.00%          
Employee Stock Purchase Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Options available for future option grants | shares 2,868,438   2,868,438          
Shares outstanding on the final day of the immediately preceding 1.00%              
Shares issued under ESPP (in shares) | shares         0      
Minimum | Legacy Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Expiration period         10 years      
Maximum | Employee Stock Purchase Plan                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Options available for future option grants | shares 17,383,002   17,383,002