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Stock-Based Compensation and Stockholders' Equity
 3 Months Ended
Mar. 31, 2026
Equity [Abstract]  
Stock-Based Compensation and Stockholders' Equity Stock-Based Compensation and Stockholders' Equity
Stock-Based Compensation Expense

The following table summarizes the amounts recognized in the Consolidated Statements of Operations and Comprehensive Income (Loss) during the periods presented related to stock-based compensation expense:
 Three Months Ended March 31,
(in thousands)20262025
Cost of services$68 $154 
Sales and marketing624 1,809 
Research and development627 467 
General and administrative3,431 5,307 
Stock-based compensation expense $4,750 $7,737 
The following table summarizes stock-based compensation expense by award type during the periods presented:
 Three Months Ended March 31,
(in thousands)20262025
RSUs$2,813 $2,983 
PSUs1,711 4,516 
ESPP226 238 
Stock-based compensation expense $4,750 $7,737 

Restricted Stock Units

The following table summarizes the Company's restricted stock unit (“RSU”) activity during the three months ended March 31, 2026:
 Number of Restricted Stock UnitsWeighted-Average Grant-Date Fair Value
Nonvested balance as of December 31, 2025
1,385,455$16.03 
Granted1,635,707$5.81 
Vested (560,560)$16.97 
Forfeited(62,542)$12.55 
Nonvested balance as of March 31, 2026
2,398,060$8.93 

The Company grants RSUs to employees and non-employee directors under the Company’s 2020 Incentive Award Plan (the “2020 Plan”). Pursuant to the RSU award agreements, each RSU entitles the recipient to one share of the Company’s common stock, subject to time-based vesting conditions set forth in individual agreements.

The fair value of each RSU grant is determined based upon the market closing price of the Company’s common stock on the date of grant. The RSUs vest and are expensed on a straight-line basis over the requisite service period, which ranges between one year and three years from the date of grant, subject to the continued employment of the employees and services of the non-employee board members.

As of March 31, 2026, the unrecognized stock-based compensation expense related to the unvested portion of the Company's RSU awards was approximately $18.4 million and is expected to be recognized over a weighted-average period of 2.33 years.

During the three months ended March 31, 2026, the Company issued an aggregate of 561,518 shares of common stock to employees and non-employee directors upon the vesting of RSUs previously granted under the 2020 Plan.

Performance-Based Restricted Stock Units

The following table summarizes the Company's performance-based restricted stock unit (“PSU”) activity during the three months ended March 31, 2026:
 Number of Performance-Based Restricted Stock UnitsWeighted-Average Grant-Date Fair Value
Nonvested balance as of December 31, 2025
1,354,587$17.87 
Granted1,084,335$6.00 
Vested(362,418)$21.46 
Nonvested balance as of March 31, 2026
2,076,504$11.04 

The Company also grants PSUs to employees under the Company’s 2020 Plan. Pursuant to the PSU Award Agreement, each PSU entitles the recipient to up to 1.5 shares of the Company’s common stock, subject to certain performance measures or market conditions set forth in individual agreements.
The PSUs will vest, if at all, following the achievement of certain performance measures or market conditions over a three-year performance period relative to certain performance and market conditions. The grant date fair value of PSUs that vest relative to a performance condition is measured based upon the market closing price of the Company’s common stock on the date of grant and expensed on a straight-line basis when it becomes probable that the performance conditions will be satisfied over the service period of the awards, which is generally the vesting term of three years. The grant date fair value of PSUs that vest relative to a market condition is measured using a Monte Carlo simulation model and expensed on a straight-line basis over the service period of the awards, which is generally the vesting term of three years. As of March 31, 2026, the nonvested balance of PSUs that vest based on performance and market conditions was 830,602 and 1,245,902 shares, respectively.

As of March 31, 2026, the unrecognized stock-based compensation expense related to the unvested portion of the Company's PSU awards was approximately $13.1 million and is expected to be recognized over a weighted-average period of 2.10 years.

During the three months ended March 31, 2026, the Company issued an aggregate of 306,869 shares of common stock to employees upon the vesting of PSUs previously granted under the 2020 Plan.

Stock Options

As of March 31, 2026, there was no unrecognized stock-based compensation expense related to the unvested portion of the Company's stock options, as all granted stock options were fully vested on October 15, 2024.

Employee Stock Purchase Plan

During the three months ended March 31, 2026 and 2025, the Company issued no shares through the Employee Stock Purchase Plan (“ESPP”).

Share Repurchase Program

On April 30, 2024, the Board authorized a share repurchase program (the “Share Repurchase Program”), under which the Company may repurchase up to $40.0 million in shares of common stock through April 30, 2029. The repurchase program is subject to market conditions, the periodic capital needs of the Company’s operating activities, and the continued satisfaction of all covenants under the Company’s Term Loan and ABL Credit Agreement. The Share Repurchase Program does not obligate the Company to repurchase shares and may be suspended, terminated, or modified at any time.

As of March 31, 2026, the Company had repurchased approximately $5.5 million, or 404,495 shares, of the Company's outstanding common stock under the Share Repurchase Program and $34.5 million remains available for share repurchases. The Company's ability to repurchase shares in the future is limited by certain conditions set forth in the ABL Credit Agreement.