Restricted Investments (Tables)

3 Months Ended

Dec. 31, 2023

Investments, Debt and Equity Securities [Abstract]

Summary of Debt Securities

The following is a summary of the Company’s debt securities as of December 31, 2023 and September 30, 2023 (in thousands):

	December 31, 2023
	(unaudited)
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. government securities	$	6,072	$	—	$	111	$	5,961
Corporate debt securities	5,829		—		108		5,721
Municipal government securities	1,757		—		62		1,695
Agency backed securities	1,269		—		61		1,208
Total	$	14,927	$	—	$	342	$	14,585

	September 30, 2023
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
U.S. government securities	$	6,869	$	—	$	320	$	6,549
Corporate debt securities	5,931		—		326		5,605
Municipal government securities	1,853		—		105		1,748
Other debt securities	1,273		—		96		1,177
Total	$	15,926	$	—	$	847	$	15,079

The amortized cost and fair value of debt securities classified as available for sale by contractual maturity, as of December 31, 2023, are as follows (unaudited, in thousands):

	Amortized Cost		Fair Value
Due within one year	$	2,126	$	2,110
Due after one year through three years	4,345		4,234
Due after three years	8,456		8,241
Total	$	14,927	$	14,585