STOCK-BASED COMPENSATION - Schedule of Stock-based Compensation (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
|
| Allocation of stock-based compensation expense | ||||
| Stock compensation expense | $ 1,928 | $ 1,473 | $ 6,232 | $ 4,463 |
| Research and development | ||||
| Allocation of stock-based compensation expense | ||||
| Stock compensation expense | 1,059 | 645 | 3,116 | 2,163 |
| Sales, marketing and administration | ||||
| Allocation of stock-based compensation expense | ||||
| Stock compensation expense | $ 869 | $ 828 | $ 3,116 | $ 2,300 |
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Amount of cost expensed and capitalized for award under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|