STOCK-BASED COMPENSATION (Equity Based Compensation Schedule) (Details) - USD ($) $ in Thousands |
3 Months Ended | |
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Mar. 31, 2020 |
Mar. 31, 2019 |
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| Allocation of stock-based compensation expense | ||
| Stock compensation expense | $ 1,379 | $ 1,354 |
| Research and development expenses | ||
| Allocation of stock-based compensation expense | ||
| Stock compensation expense | 648 | 633 |
| General and administrative expenses | ||
| Allocation of stock-based compensation expense | ||
| Stock compensation expense | $ 731 | $ 721 |
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- 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.
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- Definition Amount of cost expensed and capitalized for award under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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