Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE (Details)

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FAIR VALUE (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Fair Value    
Investments at fair value $ 33,940 $ 39,001
Fair Value Measurements Recurring | Estimate Of Fair Value Fair Value Disclosure    
Fair Value    
Investments at fair value 43,707 48,686
Fair Value Measurements Recurring | Money market funds | Estimate Of Fair Value Fair Value Disclosure    
Fair Value    
Investments at fair value 9,767 9,685
Fair Value Measurements Recurring | US treasury bills | Estimate Of Fair Value Fair Value Disclosure    
Fair Value    
Investments at fair value 12,906 12,594
Fair Value Measurements Recurring | Government-sponsored enterprise securities | Estimate Of Fair Value Fair Value Disclosure    
Fair Value    
Investments at fair value 5,469 11,233
Fair Value Measurements Recurring | Corporate bonds and commercial paper | Estimate Of Fair Value Fair Value Disclosure    
Fair Value    
Investments at fair value 15,565 15,174
Fair Value Measurements Recurring | Level 1    
Fair Value    
Investments at fair value 9,767 9,685
Fair Value Measurements Recurring | Level 1 | Money market funds    
Fair Value    
Investments at fair value 9,767 9,685
Fair Value Measurements Recurring | Level 2    
Fair Value    
Investments at fair value 33,940 39,001
Fair Value Measurements Recurring | Level 2 | US treasury bills    
Fair Value    
Investments at fair value 12,906 12,594
Fair Value Measurements Recurring | Level 2 | Government-sponsored enterprise securities    
Fair Value    
Investments at fair value 5,469 11,233
Fair Value Measurements Recurring | Level 2 | Corporate bonds and commercial paper    
Fair Value    
Investments at fair value $ 15,565 $ 15,174