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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