Quarterly report pursuant to Section 13 or 15(d)

Leases - Schedule of Financial Statement Classification of Lease Balances Within Condensed Consolidated Balance Sheets (Details)

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Leases - Schedule of Financial Statement Classification of Lease Balances Within Condensed Consolidated Balance Sheets (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Sep. 30, 2020
Leases [Abstract]    
Operating lease assets $ 8,789 $ 5,124
Finance lease assets $ 18 $ 26
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Property, Plant and Equipment - Net Property, Plant and Equipment - Net
Total lease assets $ 8,807 $ 5,150
Operating lease liabilities $ 465 $ 113
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Other accrued liabilities Other accrued liabilities
Finance lease liabilities $ 8 $ 11
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] Other accrued liabilities Other accrued liabilities
Operating lease liabilities $ 8,409 $ 5,048
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Long-Term Lease Liability Long-Term Lease Liability
Finance lease liabilities $ 10 $ 16
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Long-Term Lease Liability Long-Term Lease Liability
Total lease liabilities $ 8,892 $ 5,188