Revolving Credit Facility (Tables)

6 Months Ended

Mar. 31, 2021

Debt Disclosure [Abstract]

Components of Interest Expense

The following table summarizes the Company's interest expense:

	Three Months Ended March 31,				Six Months Ended March 31,
	2021		2020		2021		2020
	($ in thousands)				($ in thousands)
Interest expense	$	962	$	1,179	$	2,002	$	2,319
Amortization of debt issuance costs	160		165		316		318
Unused commitment fees	43		74		82		147
Total interest expense	$	1,165	$	1,418	$	2,400	$	2,784