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Leases (Summary of Lease Information) (Details)
Jun. 30, 2022
Sep. 30, 2021
Leases [Abstract]    
Operating Leases, Weighted-average remaining lease term 6 years 10 months 24 days 2 years 10 months 24 days
Operating Leases, Weighted-average discount rate 7.70% 11.50%
Finance Leases, Weighted-average remaining lease term   4 months 24 days
Finance Leases, Weighted-average discount rate   13.90%