Cash, Cash Equivalents and Marketable Securities (Tables)

12 Months Ended

Sep. 30, 2022

Cash and Cash Equivalents [Abstract]

Cash, Cash Equivalents and Investments

The following is a summary of cash, cash equivalents and marketable securities at September 30, 2022 and 2021: 

	September 30, 2022				September 30, 2021
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
	(In thousands)
Cash and Cash Equivalents:
Cash	$	113,888	$	113,888	$	195,160	$	195,160
Money market funds	19,314		19,314		194		194
Total	$	133,202	$	133,202	$	195,354	$	195,354
Marketable Securities:
Marketable securities	$	25,956	$	24,515	$	23,836	$	31,884