Annual report pursuant to Section 13 and 15(d)

Other Assets - Other Current Assets (Detail)

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Other Assets - Other Current Assets (Detail) - USD ($)
$ in Thousands
Sep. 30, 2019
Sep. 30, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Settlement receivable $ 7,706 $ 7,874
Prepaid expenses 3,043 4,989
Other current assets 2,395 1,274
Total prepaid expenses and other current assets $ 13,144 $ 14,137