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FAIR VALUE MEASUREMENTS - Fair Value, Assets Measured on Recurring Basis (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total cash equivalents | $ 13,442 | $ 10,410
Total short-term investments | 21,857 | 30,157
Total long-term investments | 15,905 | 8,504
Total financial assets | 51,204 | 49,071
Corporate bonds |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total short-term investments | 3,562 | 5,542
Total long-term investments | 15,073 | 2,620
U.S. government agency securities |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total short-term investments | 12,796 | 14,850
Total long-term investments | 832 | 3,896
U.S. treasury securities |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total short-term investments | 5,499 | 9,765
Total long-term investments |  | 1,988
Money market funds |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total cash equivalents | 11,845 | 10,410
U.S. treasury securities |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total cash equivalents | 1,597 |
Level 1 |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total cash equivalents | 11,845 | 10,410
Total short-term investments | 0 | 0
Total long-term investments | 0 | 0
Total financial assets | 11,845 | 10,410
Level 1 | Corporate bonds |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total short-term investments | 0 | 0
Total long-term investments | 0 | 0
Level 1 | U.S. government agency securities |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total short-term investments | 0 | 0
Total long-term investments | 0 | 0
Level 1 | U.S. treasury securities |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total short-term investments | 0 | 0
Total long-term investments |  | 0
Level 1 | Money market funds |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total cash equivalents | 11,845 | 10,410
Level 1 | U.S. treasury securities |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total cash equivalents | 0 |
Level 2 |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total cash equivalents | 1,597 | 0
Total short-term investments | 21,857 | 30,157
Total long-term investments | 15,905 | 8,504
Total financial assets | 39,359 | 38,661
Level 2 | Corporate bonds |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total short-term investments | 3,562 | 5,542
Total long-term investments | 15,073 | 2,620
Level 2 | U.S. government agency securities |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total short-term investments | 12,796 | 14,850
Total long-term investments | 832 | 3,896
Level 2 | U.S. treasury securities |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total short-term investments | 5,499 | 9,765
Total long-term investments |  | 1,988
Level 2 | Money market funds |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total cash equivalents | 0 | 0
Level 2 | U.S. treasury securities |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total cash equivalents | 1,597 |
Level 3 |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total cash equivalents | 0 | 0
Total short-term investments | 0 | 0
Total long-term investments | 0 | 0
Total financial assets | 0 | 0
Level 3 | Corporate bonds |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total short-term investments | 0 | 0
Total long-term investments | 0 | 0
Level 3 | U.S. government agency securities |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total short-term investments | 0 | 0
Total long-term investments | 0 | 0
Level 3 | U.S. treasury securities |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total short-term investments | 0 | 0
Total long-term investments |  | 0
Level 3 | Money market funds |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total cash equivalents | 0 | $ 0
Level 3 | U.S. treasury securities |  |
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items] |  |
Total cash equivalents | $ 0 |

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