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Equity Incentive Plan (Tables)
6 Months Ended
Jun. 30, 2025
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity Stock option activity under the Company’s 2009 Equity Incentive Plan is set forth below (in thousands,
except share and per share amounts):
Shares
Available for
Grant
Number of
Options
Awards
Weighted-
Average
Exercise
Price
Weighted-
Average
Remaining
Contractual
Life (Years)
Aggregate
Intrinsic
Value
Balance at December 31, 2024 ...
1,079,492
8,537,210
$4.72
7.96
$68,256
Authorized .......................................
1,000,000
$
Options granted ..............................
(1,418,628)
485,719
$13.10
Options exercised ...........................
(267,396)
$5.35
Options canceled ............................
676,551
(231,578)
$4.99
Balance at June 30, 2025 .............
1,337,415
8,523,955
$5.17
7.68
$72,526
Vested and exercisable, June 30,
2025 ..............................................
3,583,827
$5.23
6.49
$30,427
Vested and expected to vest,
June 30, 2025 ..............................
8,523,955
$5.17
7.68
$72,526
Schedule of Stock-Based Compensation The Company estimated the fair value of stock options using the Black-Scholes option-pricing model
based on the following assumptions:
Three Months Ended
June 30,
Six Months Ended
June 30,
2025
2024
2025
2024
Expected life (in years) ........................
6.0
5.6
6.0
5.6
Expected volatility .................................
56.1%-56.6%
53.7%-53.8%
55.0%-56.6%
53.7%-53.8%
Risk-free interest rate ...........................
4.2%
4.4%
4.1%
4.4%
Dividend yield ........................................
%
%
n/a
%
Schedule of Stock-Based Compensation Expense Total stock-based compensation expense is as follows (in thousands):
Three Months Ended
June 30,
Six Months Ended
June 30,
2025
2024
2025
2024
Cost of revenue ...............................................
$45
$78
$102
$160
Research and development ..........................
381
486
928
1,003
Selling, general and administrative ..............
1,827
2,076
3,715
4,200
Total stock-based compensation expense .
$2,253
$2,640
$4,745
$5,363