Summary of Significant Accounting Policies - Concentrations (Details) $ in Thousands |
3 Months Ended | 9 Months Ended | 12 Months Ended | |
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Jun. 30, 2021
USD ($)
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Jun. 30, 2020
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Jun. 30, 2021
USD ($)
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Sep. 30, 2020
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| Number of customers | 3 | 3 | ||
| Number of vendors | 3 | 1 | 3 | 1 |
| Allowance for uncollectable accounts receivable | $ | $ 0 | $ 0 | ||
| Vendor 1 | Supplier Concentarion | Purchases | ||||
| Concentration risk ( in percentage) | 16.00% | 12.00% | 26.00% | 26.00% |
| Vendor 2 | Supplier Concentarion | Purchases | ||||
| Concentration risk ( in percentage) | 12.00% | 22.00% | ||
| Vendor 3 | Supplier Concentarion | Purchases | ||||
| Concentration risk ( in percentage) | 12.00% | 11.00% | ||
| Customer 1 | Customer Concentration | Accounts Receivable | ||||
| Concentration risk ( in percentage) | 29.00% | 36.00% | ||
| Customer 2 | Customer Concentration | Accounts Receivable | ||||
| Concentration risk ( in percentage) | 25.00% | 29.00% | ||
| Customer 3 | Customer Concentration | Accounts Receivable | ||||
| Concentration risk ( in percentage) | 16.00% | 10.00% | ||
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- Definition Represents the number of customers. No definition available.
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- Definition Represents the number of vendors. No definition available.
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- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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