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Stock-Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Non-Cash Stock-Based Compensation Expense
Non-cash stock-based compensation expenses related to stock options, restricted stock grants and the ESPP were recorded in the financial statements as follows (unaudited, in thousands):
For the Three Months Ended June 30,For the Six Months Ended June 30,
2024202320242023
Sales and marketing$345 $190 $653 $352 
Research and development245 240 509 464 
General and administrative548 600 1,110 1,159 
Total non-cash stock compensation expense$1,138 $1,030 $2,272 $1,975 
Schedule of Restricted Stock Awards Outstanding
A summary of the Company’s restricted stock awards outstanding under the OEIP for the six months ended June 30, 2024 are as follows (unaudited, in thousands, except weighted average grant date fair value):
Shares
Weighted average grant date fair value
Unvested at December 31, 2023256 $21.31 
Granted277 6.46 
Vested(190)13.85 
Canceled and forfeited(9)12.05 
Unvested at June 30, 2024334 $13.48