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Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Sep. 30, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Inventory $ 3,071 $ 2,220
Prepaid licenses 8,256 4,646
Prepaid insurance 1,398 1,074
Other current assets 2,889 3,274
Prepaid expenses and other current assets $ 15,614 $ 11,214