v3.24.1.u1
STOCK BASED COMPENSATION (Tables)
3 Months Ended
Mar. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of stock-based compensation expense
        
   Three Months Ended
March 31,
 
   2024   2023 
Research and development  $377   $328 
General and administrative   583    525 
Selling and Marketing   64    74 
Total  $1,024   $927 
Schedule of stock option activity
                
  

Number of

Shares

  

Weighted-

Average

Exercise

Prices per Share

  

Weighted-
Average

Remaining

Contractual

Term (In Years)

   Intrinsic
Value
 
Outstanding at January 1, 2024   3,369   $7.04           
Granted   366   $6.46           
Exercised   (13)  $6.60           
Forfeited   (52)  $10.43           
Outstanding at March 31, 2024   3,670   $6.93    4.82   $2,093 
Exercisable at March 31, 2024   2,926   $6.68    3.70   $2,093 
Schedule of restricted stock activity
        
  

Number of

Shares

  

Weighted-Average

Grant Date Fair Value per Share

 
Outstanding at January 1, 2024   419   $9.21 
Granted   275   $6.46 
Forfeited   (20)  $8.24 
Vested   (54)  $8.35 
Outstanding non-vested shares at March 31, 2024   620   $8.09