INVESTMENTS

12 Months Ended

Sep. 30, 2024

Investments, Debt and Equity Securities [Abstract]

5. INVESTMENTS

The following tables summarize investments by type of security as of September 30, 2024 and 2023, respectively (amounts in thousands):


September 30, 2024:	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Market Value
Available-for-sale securities:
U.S. Treasury, short-term	$	3,841	$	1	$	(6)	$	3,836

Commercial paper, short-term	15,964		20		—		15,984
Corporate debt securities, short-term	17,008		56		—		17,064


Corporate debt securities, long-term	11,328		84		(2)		11,410
Total	$	48,141	$	161	$	(8)	$	48,294


September 30, 2023:	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Market Value
Available-for-sale securities:
U.S. Treasury, short-term	$	40,329	$	1	$	(76)	$	40,254


Corporate debt securities, short-term	34,545		—		(99)		34,446
U.S. Treasury, long-term	1,371		—		(67)		1,304


Total	$	76,245	$	1	$	(242)	$	76,004

No other-than-temporary impairment charges were recognized in the twelve months ended September 30, 2024, 2023, and 2022. The Company had no realized gain or loss from the sale of available-for-sale securities during each of the twelve months ended September 30, 2024 and 2023. The Company realized a $0.3 million loss from the sale of available-for-sale securities during the twelve months ended September 30, 2022. This amount was reclassified to the statement of operations and comprehensive income (loss) net of a tax benefit of $0.1 million.

The following table summarizes the fair market value and net carrying value of the available-for-sale securities by contractual maturity (amounts in thousands):


	Available-for-sale securities
	Cost		Fair Market Value
Due within 1 year	$	36,813	$	36,884
Due in 1 to 5 years	11,328		11,410

Total	$	48,141	$	48,294