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FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)
 6 Months Ended
Jun. 30, 2023
Fair Value Disclosures [Abstract]  
Schedule of Fair Value Measurement
The following tables represent the financial instruments measured at fair value on a recurring basis in the financial statements of the Company and the valuation approach applied to each class of financial instruments at June 30, 2023 and December 31, 2022 (in thousands):

June 30, 2023
Quoted Prices
in Active
Markets for
Identical
Assets
(Level 1)		Significant
Other
Observable Inputs
(Level 2)		Significant
Unobservable
Inputs
(Level 3)		Total
Assets:
Cash and cash equivalents:
Money market funds$23,123 $— $— $23,123 
Total cash and cash equivalents23,123 — — 23,123 
Equity investments:
Mutual funds1,017 — — 1,017 
Total equity investments1,017 — — 1,017 
Debt securities available-for-sale:
Corporate notes and bonds— 406 — 406 
Debt securities available-for-sale— 406 — 406 
Total assets measured at fair value$24,140 $406 $— $24,546 
December 31, 2022
Quoted Prices
in Active
Markets for
Identical
Assets
(Level 1)		Significant
Other
Observable Inputs
(Level 2)		Significant
Unobservable
Inputs
(Level 3)		Total
Assets:
Cash and cash equivalents:
Money market funds$7,194 $— $— $7,194 
Total cash and cash equivalents7,194 — — 7,194 
Equity investments:
Mutual funds928 — — 928 
Total equity investments928 — — 928 
Debt securities available-for-sale:
Certificates of deposit— 2,541 — 2,541 
U.S. Treasury securities3,009 — — 3,009 
Commercial paper— 424 — 424 
Corporate notes and bonds— 3,754 — 3,754 
Debt securities available-for-sale3,009 6,719 — 9,728 
Total assets measured at fair value$11,131 $6,719 $— $17,850