v3.22.1

Long-term Notes and Convertible Notes - Paycheck Protection Program (Details) - Paycheck Protection Program - USD ($)	May 02, 2020	May 01, 2020	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Debt instrument, face amount		$ 5,653,000
Interest rate (as a percent)		1.00%
Deferral period		6 months
Accrued interest payments			$ 4,000	$ 37,000
Payments on PPP Loan	$ 0

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- Definition

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

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

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Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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