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STOCK-BASED COMPENSATION PLANS (Tables) | 6 Months Ended
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Jun. 30, 2023
STOCK-BASED COMPENSATION PLANS |
Schedule of outstanding and exercisable number of options | ​
​ | ​ | ​ | ​ | ​
​ |  | Outstanding |  | Exercisable
​ | ​ | Number of Options | ​ | Number of Options
​ | ​ | (in thousands) | ​ | (in thousands)
Plan Category |  |  |  |
2005 Stock Option Plan |  | 211 | ​ | 211
2017 Stock Option Plan |  | 351 | ​ | 350
Total |  | 562 | ​ | 561
Schedule of stock-based compensation expenses recorded in the condensed consolidated statements of operations | The following summarizes stock-based compensation expenses recorded in the condensed consolidated statements of income (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | For the Three Months Ended June 30, |  | For the Six Months Ended June 30,
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022
Cost of Revenue | ​ | $ | 7 | ​ | $ | 12 | ​ | $ | 15 | ​ | $ | 27
Sales and marketing expense | ​ |  | 69 | ​ |  | 55 | ​ |  | 130 | ​ |  | 114
General, and administrative | ​ | ​ | 584 | ​ | ​ | 468 | ​ | ​ | 822 | ​ | ​ | 983
Total stock based compensation expense | ​ | $ | 660 | ​ | $ | 535 | ​ | $ | 967 | ​ | $ | 1,124
Schedule of stock option activity under all equity compensation plans | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | Weighted- | ​ | ​ | ​
​ | ​ | ​ | ​ | Weighted- | ​ | Average | ​ | Aggregate
​ | ​ | Number of | ​ | Average | ​ | Remaining | ​ | Intrinsic
​ | ​ | Shares | ​ | Exercise | ​ | Contractual | ​ | Value
​ |  | (in thousands) |  | Price |  | Term (Years) |  | (in thousands)
Outstanding at December 31, 2022 |  | 793 | ​ | $ | 2.67 | ​ | 5.03 | ​ | $ | 8,908
Granted |  | — | ​ | $ | — | ​ | ​ | ​ |  | ​
Forfeited |  | (206) | ​ | $ | 6.30 | ​ | ​ | ​ |  | ​
Exercised | ​ | (25) | ​ | $ | 5.38 | ​ | ​ | ​ | ​ | ​
Outstanding at June 30, 2023 |  | 562 | ​ | $ | 1.23 | ​ | 3.05 | ​ | $ | 4,701
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Exercisable at June 30, 2023 |  | 561 | ​ | $ | 1.21 | ​ | 3.04 | ​ | $ | 4,699
Schedule of restricted stock award activity under all equity compensation plans | ​
​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Number of | ​ | ​
​ | ​ | Shares |  | Weighted Average
​ |  | (in thousands) |  | Grant Date Fair Value
Granted but not vested at December 31, 2022 |  | 431 | ​ | $ | 11.92
Granted |  | 134 | ​ | ​ | 10.81
Forfeited |  | (4) | ​ | ​ | 12.65
Vested |  | (88) | ​ | ​ | 12.14
Granted but not vested at June 30, 2023 |  | 473 | ​ | $ | 11.56

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