v3.25.3
Stock-based Compensation - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 9 Months Ended
Jun. 30, 2025
Sep. 30, 2025
Dec. 31, 2024
2021 Plan      
Share-Based Compensation Arrangement      
Number of shares available for grant (in shares)   715,191  
2007 Plan      
Share-Based Compensation Arrangement      
Number of shares available for grant (in shares)   145,135  
ESPP      
Share-Based Compensation Arrangement      
Number of shares reserved for future issuance (in shares)   3,350,446  
Number of shares purchased (in shares)   0  
Restricted stock units      
Share-Based Compensation Arrangement      
Unrecognized stock-based compensation related to unvested awards   $ 24.9  
Granted (in shares)   6,866,910  
Weighted average grant date fair value (use per share)   $ 2.58  
PSUs      
Share-Based Compensation Arrangement      
Unrecognized stock-based compensation related to unvested awards   $ 2.1  
Granted (in shares)   2,002,848  
Award requisite service period (in years)   3 years  
Award vesting rights (as a percent)   150.00%  
PSUs | Financial Metric      
Share-Based Compensation Arrangement      
Granted (in shares)   721,424  
Weighted average grant date fair value (use per share)   $ 2.57  
Market Based Performance Shares      
Share-Based Compensation Arrangement      
Award requisite service period (in years)   3 years  
Achievement of stock price hurdles, period   20 days  
Trading period   30 days  
Market Based Performance Shares | Minimum      
Share-Based Compensation Arrangement      
Award vesting rights (as a percent)   0.00%  
Market Based Performance Shares | Maximum      
Share-Based Compensation Arrangement      
Award vesting rights (as a percent)   100.00%  
Total Shareholder Return (TSR)      
Share-Based Compensation Arrangement      
Granted (in shares)   551,424  
Weighted average grant date fair value (use per share)   $ 2.88  
Award requisite service period (in years) 3 years    
Total Shareholder Return (TSR) | Legacy Teads      
Share-Based Compensation Arrangement      
Granted (in shares)   730,000  
Weighted average grant date fair value (use per share)   $ 0.25  
Total Shareholder Return (TSR) | Minimum      
Share-Based Compensation Arrangement      
Award vesting rights (as a percent) 0.00%    
Total Shareholder Return (TSR) | Maximum      
Share-Based Compensation Arrangement      
Award vesting rights (as a percent) 150.00%    
Warrants      
Share-Based Compensation Arrangement      
Exercisable at end of period (in shares)   48,529 48,529
Share-based payment award, non-option equity instruments, outstanding, number (in shares)   48,529 48,529
Weighted average exercise price, outstanding, (in usd per share)   $ 7.34 $ 7.34