Additional Extension for Interest Only Payments

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- Definition

Debt, Conditional Term, Minimum Unrestricted Net Cash Proceeds Amount

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- Definition

Forgiveness Amount Threshold

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- Definition

Interest Only Payment Extension

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- Definition

Number Of Amendments

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Number Of Prepayments To Lender

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Number of Monthly Payments

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- Definition

Payment Fee

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- Definition

Prepayment Requirement

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- Definition

Carrying amount as of the balance sheet date of cash collateral held for borrowed securities, for which the cash is restricted as to withdrawal or usage.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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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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Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

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Amount of cash inflow from issuance of long-term debt classified as other.

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Debt - Narrative (Details)							12 Months Ended			20 Months Ended
Debt - Narrative (Details)	Nov. 30, 2020 USD ($)	Oct. 08, 2020 USD ($)	Sep. 30, 2020 USD ($)	Aug. 25, 2020	Jun. 22, 2016 USD ($)	Jun. 17, 2016 payment	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($) prepayment	Dec. 31, 2020 USD ($)	May 31, 2019 amendment	May 01, 2020 USD ($)	Apr. 23, 2020 USD ($)
Debt Instrument [Line Items]
Number of times agreement was amended \| amendment										8
Forgiveness amount threshold for PPP loan (not less than)											$ 500,000
Total revenues								$ 0	$ 10,006,000
Other long-term liabilities								1,179,000	0
Strategic Alliances and Collaborations
Debt Instrument [Line Items]
Total revenues								0	$ 10,000,000
Strategic Alliances and Collaborations \| Sanofi
Debt Instrument [Line Items]
Total revenues	$ 5,000,000	$ 4,000,000	$ 1,000,000
Term Loan
Debt Instrument [Line Items]
Proceeds from borrowing under term loan					$ 20,000,000
Stated interest rate, percentage						8.51%
Number of monthly payments \| payment						24
Repayments of debt	$ 5,000,000	$ 4,000,000	$ 1,000,000					$ 10,000,000
Payment fee								5.50%
Number of times agreement was amended \| prepayment								3
Additional extension for interest only payments								7 months
Long-term debt								$ 4,681,000
Other long-term liabilities								1,200,000
Deferred finance costs								$ 100,000
Debt instrument effective rate								8.98%
Term Loan \| Other Current Liabilities
Debt Instrument [Line Items]
Fee amount								$ 1,300,000
Term Loan \| London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Basis spread on variable rate, percentage						0.44%
PPP Loan
Debt Instrument [Line Items]
Debt instrument, face amount											$ 700,000	$ 700,000
Tenth Amendment
Debt Instrument [Line Items]
Interest only payment extension				7 months
Prepayment requirement				1000000000.00%
Eleventh Amendment
Debt Instrument [Line Items]
Cash collateral for borrowed securities								5,000,000
Fee amount								$ 300,000
Eleventh Amendment \| Forecast
Debt Instrument [Line Items]
Unrestricted net cash proceeds amount							$ 20,000,000