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Term Loan Obligations - Face Value to Book Value Reconciliation (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Reconciliation of Face Value to Book Value [Abstract]
Total debt obligations, including final payment fee (Face Value)	$ 7,212
Less: Debt discount	(599)
Total obligation	6,613
Term loan obligation, current	1,608	$ 6,335
Term loan obligation	$ 5,005

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- Definition

Reconciliation of Face Value to Book Value [Abstract]

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Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.

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- Definition

Amount, after accumulated amortization, of debt discount.

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Amount of long-term debt and lease obligation, including portion classified as current.

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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 after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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