Quarterly report pursuant to Section 13 or 15(d)

INVESTMENTS IN MARKETABLE DEBT SECURITIES - Additional Information (Details)

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INVESTMENTS IN MARKETABLE DEBT SECURITIES - Additional Information (Details) - USD ($)
3 Months Ended
Sep. 30, 2023
Jun. 30, 2023
INVESTMENTS IN MARKETABLE DEBT SECURITIES    
Debt securities, available-for-sale, term 2 years  
Debt securities, available-for-sale, weighted average term 1 year  
Short-term investments $ 90,673,000 $ 85,860,000
Long-term investments 8,144,000 16,470,000
Investment in marketable securities 15,989,000  
Proceeds from maturities of marketable debt securities 18,595,000  
Interest receivable 400,000 $ 300,000
Allowance for credit losses related to investments in marketable debt securities $ 0