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Summary of Significant Accounting Policies - Significant Customers Representing 10% or more of Revenue or Accounts Receivable, Net (Details) - Customer A - Customer Concentration Risk | 6 Months Ended | 12 Months Ended
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Sep. 30, 2021 | Mar. 31, 2022
Revenue |  |
Concentration Risk [Line Items] |  |
Concentration risk | 10.00% |
Accounts Receivable, Net |  |
Concentration Risk [Line Items] |  |
Concentration risk |  | 21.00%

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