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Long-term debt - Schedule Of Maturities Of Long Term Debt (Detail) - USD ($) $ in Thousands	Sep. 30, 2021	Sep. 30, 2020
Long-term debt
Years ending September 30, 2022	$ 833
Total amount of loan principal	833
Years ending September 30, 2022	9
Interest Payable On Long Term Debt	9
Years ending September 30, 2022	842
Total amount of principal and interest	842
Less: Interest	(9)
Less unamortized debt discount	(4)
Add: accretion of final payment fee	723
Long-term Debt, Current Maturities	$ 1,552	$ 3,333

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Accretion Of Final Payment Fee.

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Interest payable on long term debt.

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Long term debt maturities interest payable in next twelve months.

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Long term debt maturities repayment principal and interest in next twelve months.

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Long term debt maturities repayment principal and interest ,total.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 4
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Amount, after accumulated amortization, of debt discount.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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