Revolving Credit Facility (Tables)

3 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Components of Interest Expense

The following table summarizes the Company's interest expense:

	Three Months Ended December 31,
	2021		2020
	(In thousands)
Interest expense	$	512	$	1,041
Amortization of deferred financing costs(1)	282		155
Unused commitment fees	102		39
Total interest expense	$	896	$	1,235

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(1)Includes $0.1 million of unamortized deferred financing costs written off during the three months ended December 31, 2021 in conjunction with the amendment of the Credit Agreement in October 2021.