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STOCK-BASED AWARDS - Narrative (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 USD ($) shares | Sep. 30, 2024 USD ($) | Sep. 30, 2025 USD ($) performance_metric $ / shares shares | Sep. 30, 2024 USD ($) $ / shares shares
Stock-Based Awards |  |  |  |
Stock issued during period, employee stock purchase plan (in shares) | shares |  |  | 137,966 | 119,425
Average price per share (in dollars per share) | $ / shares |  |  | $ 5.32 | $ 12.23
Restricted Stock Units (RSUs) |  |  |  |
Stock-Based Awards |  |  |  |
Vesting period |  |  | 3 years |
Award vesting percent |  |  | 25.00% |
Restricted Stock Units (RSUs) | Minimum |  |  |  |
Stock-Based Awards |  |  |  |
Vesting period |  |  | 3 years |
Restricted Stock Units (RSUs) | Maximum |  |  |  |
Stock-Based Awards |  |  |  |
Vesting period |  |  | 4 years |
Restricted Stock Units (RSUs) | Amended and Restated 2005 Equity Incentive Plan |  |  |  |
Stock-Based Awards |  |  |  |
Vesting period |  |  | 3 years |
Restricted Stock Units (RSUs) | First year | Amended and Restated 2005 Equity Incentive Plan |  |  |  |
Stock-Based Awards |  |  |  |
Award vesting percent |  |  | 33.30% |
Restricted Stock Units (RSUs) | Second year | Amended and Restated 2005 Equity Incentive Plan |  |  |  |
Stock-Based Awards |  |  |  |
Award vesting percent |  |  | 33.30% |
Restricted Stock Units (RSUs) | Third year | Amended and Restated 2005 Equity Incentive Plan |  |  |  |
Stock-Based Awards |  |  |  |
Award vesting percent |  |  | 33.40% |
Performance Shares |  |  |  |
Stock-Based Awards |  |  |  |
Granted at fair value (in shares) | shares |  |  | 803,953 |
Number of performance metrics | performance_metric |  |  | 3 |
Performance metric, adjusted EBITDA performance multiplier |  |  | 50.00% |
Performance metric, gross margin performance multiplier |  |  | 25.00% |
Performance metric, contribution margin performance multiplier |  |  | 25.00% |
Maximum payout, percent of target PSUs |  |  | 135.00% |
Employee benefits and share-based compensation expense (credit) | $ | $ 1,000 | $ 2,400 | $ (363) | $ 5,700
Performance Shares | First year |  |  |  |
Stock-Based Awards |  |  |  |
Award vesting percent |  |  | 33.30% |
Performance Shares | Second year |  |  |  |
Stock-Based Awards |  |  |  |
Award vesting percent |  |  | 33.30% |
Performance Shares | Third year |  |  |  |
Stock-Based Awards |  |  |  |
Award vesting percent |  |  | 33.30% |
Performance Share Options |  |  |  |
Stock-Based Awards |  |  |  |
Employee benefits and share-based compensation expense (credit) | $ | 734 | 1,000 | $ 2,500 | 1,400
Employee Stock |  |  |  |
Stock-Based Awards |  |  |  |
Employee benefits and share-based compensation expense (credit) | $ | $ 154 | $ 271 | $ 550 | $ 922
Number of shares available under plan (in shares) | shares | 2,500,000 |  | 2,500,000 |

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