Borrowing - Future Payment Obligations (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Future payment obligations
Total repayment obligations	$ 52,475
Less: Unamortized discount and debt issuance costs	(307)
Less: Unaccreted value of final fee	(692)
Loan payable	51,476
Loan payable, current portion	(44,444)	$ (4,167)
Loan payable, net of current portion	$ 7,032	$ 46,621

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.

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- Definition

Amount of the fee that accompanies borrowing money under the debt instrument.

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- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

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- Definition

Carrying value as of the balance sheet date of portion of long-term loans payable due within one year or the operating cycle if longer.

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

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No definition available.

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Carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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