Stock Based Compensation (Tables)
12 Months Ended
Dec. 31, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of weighted-average assumptions The key assumptions used to apply this pricing model were as follows:
    
Year Ended
December 31,
 
    
2021
 
Risk free interest rate
     1.34
Expected term (in years)
     5.95  
Expected dividend yield
     0
Expected volatility of underlying common stock
     79.76
Schedule of stock option activity under the Plans
The following table summarizes the stock option activity under the 2021 Plan:
 
    
Stock

Options
    
Weighted

Average

Exercise

Price
    
Weighted

Average

Remaining

Contractual
Life

(in Years)
    
Intrinsic

Value

(in

thousands)
 
Outstanding January 1, 2021
     —        $ —          —        $ —    
Granted
     1,083,550        4.78        9.95           
Exercised
     —                               
Canceled
     —                               
    
 
 
                            
Outstanding December 31, 2021
     1,083,550      $ 4.78        9.95      $ —    
    
 
 
                            
Options vested or expected to vest as of December 31, 2021
     —        $ —          —        $ —    
    
 
 
                            
Stock options unvested as of December 31, 2021
     1,083,550      $ 4.78        9.95      $ —    
    
 
 
                            
Summary of Restricted Common Stock Activity A summary of the activity for the year ended December 31, 2021 is as follows:
 
    
Number of

Shares
    
Weighted

Average Grant

Date Fair

Value
 
Unvested restricted stock as of January 1, 2021
     —        $ —    
Granted
     433,420      $ 4.78  
    
 
 
          
Unvested restricted stock as of December 31, 2021
     433,420      $ 4.78  
    
 
 
          
Schedule of stock-based compensation expense
Stock-based compensation expense, including expense associated with the Legacy Clarus incentive plans up until the date of the business combination ($559 in 2021 and $825 in 2020), is as follows (in thousands):
 
    
Years Ended December 31,
 
    
2021
    
2020
 
Selling and marketing
   $ 43      $ 183  
Research and development
     60        189  
General and administrative
     565        453  
    
 
 
    
 
 
 
Total stock-based compensation expense
   $ 668      $ 825