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STOCK-BASED AWARD PLANS (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Compensation plans: |
Schedule of ESPP valuation assumptions | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Offering Period Ending
​ | 11/30/2025 | ​ | 11/30/2024 | ​
Fair market value of common stock | $ | 39.86 | ​ | $ | 33.26 | ​
Volatility |  | 33.5 | % |  | 41.7 | %
Expected term (years) |  | 0.5 | ​ |  | 0.5 | ​
Expected dividend yield |  | - | % |  | - | %
Risk-free interest rate |  | 4.3 | % |  | 5.4 | %
Schedule of stock-based compensation expense related to incentive awards | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the three months ended September 30, | ​ | For the nine months ended September 30,
​ | ​ | 2025 |  | 2024 |  | 2025 |  | 2024
​ | ​ | (unaudited) | ​ | (unaudited)
Stock-based compensation expense: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Stock options | ​ | $ | 111 | ​ | $ | 1,219 | ​ | $ | 532 | ​ | $ | 4,969
RSUs | ​ |  | 10,026 | ​ |  | 8,305 | ​ |  | 39,777 | ​ |  | 29,453
RSAs | ​ | ​ | 354 | ​ | ​ | 347 | ​ | ​ | 960 | ​ | ​ | 1,313
PSUs | ​ | ​ | 2,301 | ​ | ​ | — | ​ | ​ | 4,009 | ​ | ​ | —
ESPP | ​ |  | 423 | ​ |  | 263 | ​ |  | 971 | ​ |  | 724
Total stock-based compensation expense | ​ | $ | 13,215 | ​ | $ | 10,134 | ​ | $ | 46,249 | ​ | $ | 36,459
Schedule of stock-based compensation expense in condensed consolidated statements of comprehensive income | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the three months ended September 30, | ​ | For the nine months ended September 30,
​ | ​ | 2025 |  | 2024 |  | 2025 |  | 2024
​ | ​ | (unaudited) | ​ | (unaudited)
Stock-based compensation expense: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cost of revenues, software subscriptions | ​ | $ | 1,218 | ​ | $ | 894 | ​ | $ | 4,678 | ​ | $ | 3,437
Cost of revenues, services | ​ |  | 1,341 | ​ |  | 558 | ​ |  | 4,061 | ​ |  | 2,129
Research and development | ​ |  | 3,163 | ​ |  | 2,001 | ​ |  | 10,027 | ​ |  | 7,296
Selling and marketing | ​ |  | 3,391 | ​ |  | 2,951 | ​ |  | 12,432 | ​ |  | 10,101
General and administrative | ​ |  | 4,102 | ​ |  | 3,730 | ​ |  | 15,051 | ​ |  | 13,496
Total stock-based compensation expense | ​ | $ | 13,215 | ​ | $ | 10,134 | ​ | $ | 46,249 | ​ | $ | 36,459
​
Employee Stock Option |
Compensation plans: |
Schedule of Option activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | Weighted | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Weighted | ​ | Average | ​ | ​
​ | ​ | ​ | ​ | ​ | Average | ​ | Remaining | ​ | Aggregate
​ | ​ | ​ | ​ | ​ | Exercise | ​ | Contractual | ​ | Intrinsic
2020 Plan Option Activity | ​ | Units | ​ | ​ | Price | ​ | Life (Years) | ​ | Value
​ | ​ | (unaudited)
Outstanding at January 1, 2025 | ​ | 2,970 | ​ | $ | 6.93 | ​ | 4.4 | ​ | $ | 137,857
Exercised | ​ | (1,270) | ​ | ​ | 6.41 | ​ | ​ | ​ | ​ | ​
2020 Plan options outstanding at September 30, 2025 | ​ | 1,700 | ​ | $ | 7.32 | ​ | 4.6 | ​ | $ | 30,314
2020 Plan options exercisable at September 30, 2025 |  | 1,646 | ​ | $ | 6.95 |  | 4.5 | ​ | $ | 29,977
Schedule of outstanding, vested and exercisable | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Options Outstanding | ​ | Options Vested and Exercisable
​ |  | ​ |  | Weighted |  | ​ |  | Weighted
​ | ​ | ​ | ​ | Average | ​ | ​ | ​ | Average
Exercise Prices | ​ | Units | ​ | Life (Years) | ​ | Units | ​ | Life (Years)
​ | ​ | (unaudited)
$0.15 to $0.71 |  | 310 | ​ | * | ​ | 310 | ​ | *
$2.50 |  | 8 | ​ | 0.3 | ​ | 8 | ​ | 0.3
$3.17 |  | 58 | ​ | 2.4 | ​ | 58 | ​ | 2.4
$3.73 | ​ | 481 | ​ | 4.1 | ​ | 481 | ​ | 4.1
$4.70 | ​ | 466 | ​ | 4.4 | ​ | 466 | ​ | 4.4
$18.47 | ​ | 190 | ​ | 6.2 | ​ | 136 | ​ | 6.2
$18.96 | ​ | 60 | ​ | 5.9 | ​ | 60 | ​ | 5.9
$19.00 |  | 43 | ​ | 6.0 | ​ | 43 | ​ | 6.0
$32.16 |  | 84 | ​ | 5.4 | ​ | 84 | ​ | 5.4
​ | ​ | 1,700 | ​ | ​ |  | 1,646 | ​ | ​
*These options have indefinite contractual lives. |  | ​ | ​ | ​ | ​ | ​ | ​ | ​
Restricted Stock Units |
Compensation plans: |
Schedule of restricted activity | ​
​ | ​ | ​ | ​ | ​ | ​
​ |  |  |  | ​ | ​
​ | ​ | ​ | ​ | Weighted
​ | ​ | ​ | ​ | Average
​ | ​ | ​ | ​ | Grant Date Fair
​ | ​ | Units | ​ | Value Per Share
Outstanding at January 1, 2025 | ​ | 4,534 | ​ | $ | 19.96
Granted | ​ | 1,229 | ​ | ​ | 44.48
Vested | ​ | (1,585) | ​ | ​ | 18.99
Forfeited | ​ | (110) | ​ | ​ | 29.00
Outstanding at September 30, 2025 | ​ | 4,068 | ​ | $ | 27.50
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​
Restricted Stock Awards |
Compensation plans: |
Schedule of restricted activity | ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted
​ | ​ | ​ | ​ | Average
​ | ​ | ​ | ​ | Grant Date Fair
​ | ​ | Units | ​ | Value Per Share
Outstanding at January 1, 2025 | ​ | 34 | ​ | $ | 35.06
Granted | ​ | 37 | ​ | ​ | 37.55
Vested | ​ | (34) | ​ | ​ | 35.06
Outstanding at September 30, 2025 | ​ | 37 | ​ | $ | 37.55
Performance Stock Units |
Compensation plans: |
Schedule of restricted activity | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Average
​ | ​ | ​ | ​ | Grant Date Fair
​ | ​ | Units | ​ | Value Per Share
Outstanding at January 1, 2025 | ​ | 192 | ​ | $ | 53.46
Granted | ​ | 28 | ​ | ​ | 35.81
Forfeited | ​ | (8) | ​ | ​ | 50.51
Outstanding at September 30, 2025 | ​ | 212 | ​ | $ | 51.25

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