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INVESTMENTS (Tables)
12 Months Ended
Sep. 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 September 30, 2025 and 2024, respectively (amounts in thousands):
September 30, 2025:Cost
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Fair Market
Value
Available-for-sale securities:
U.S. Government and agency securities, short-term998 — — 998 
Commercial paper, short-term19,575 (1)19,575 
Corporate debt securities, short-term18,253 34 (2)18,285 
Corporate debt securities, long-term3,431 33 — 3,464 
Total$42,257 $68 $(3)$42,322 
 
September 30, 2024:CostGross
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 
Schedule of Fair Market Value and Net Carrying Value of the Available-For-Sale Securities by Contractual Maturity
The following table summarizes the fair market value and net carrying value of the available-for-sale securities by contractual maturity as of September 30, 2025 (amounts in thousands):
Available-for-sale securities
CostFair Market
Value
Due within 1 year
$38,826 $38,858 
Due in 1 to 5 years
3,431 3,464 
Total
$42,257 $42,322