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INVESTMENTS (Tables)
9 Months Ended
Jun. 30, 2025
Investments, Debt and Equity Securities [Abstract]  
Schedule of Investments by Type of Security
The following tables summarize investments by type of security as of June 30, 2025 and September 30, 2024 (amounts in thousands):
June 30, 2025:Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair Market
Value
Available-for-sale securities:    
U.S. Government and agency securities, short-term$1,488 $— $— $1,488 
Commercial paper, short-term17,286 — (12)17,274 
Corporate debt securities, short-term21,164 29 (8)21,185 
U.S. Government and agency securities, long-term500 — (1)499 
Corporate debt securities, long-term7,780 29 (4)7,805 
Total$48,218 $58 $(25)$48,251 
September 30, 2024:
Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair Market
Value
Available-for-sale securities:
U.S. Treasury, short-term$3,841 $$(6)$3,836 
Commercial paper, short-term15,964 20 — 15,984 
Corporate debt securities, short-term17,008 56 — 17,064 
Corporate debt securities, long-term11,328 84 (2)11,410 
Total$48,141 $161 $(8)$48,294