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Balance sheet components - Schedule Of Accounts Notes Loans And Financing Receivable (Detail) - USD ($)
$ in Thousands
Sep. 30, 2019
Sep. 30, 2018
Trade Receivables $ 11,085 $ 5,439
Other Receivables 1,313 75
Allowance for Doubtful Accounts (294) (95)
Accounts receivable, net $ 12,104 $ 5,419