The amount of contractual interest expense on prepetition liabilities not included in the statement of operations.

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Increase for accrued, but unpaid interest on the debt instrument for the period.

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

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment.

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Amount, after accumulated amortization, of debt discount.

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

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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 of the cost of borrowed funds accounted for as interest expense for debt.

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Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest.

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The cash inflow from the issuance of long-term debt that is not secured by collateral. Excludes proceeds from tax exempt unsecured debt.

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Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Long-Term Debt And Finance Leases - Additional Information (Details) - USD ($)	1 Months Ended		9 Months Ended
	May 31, 2020	Jan. 31, 2020	Sep. 30, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Repayment of outstanding under credit facility		$ 14,500,000
Senior Loan Facility
Debt Instrument [Line Items]
Unamortized debt issuance costs			$ 400,000	$ 1,232,000
Accrued but unpaid interest			300,000
Unrecognized contractual interest expense			$ 300,000
6% Convertible Notes Due 2023
Debt Instrument [Line Items]
Interest rate			6.00%	6.00%
Unamortized debt issuance costs				$ 13,341,000
Accrued but unpaid interest			$ 700,000
Unrecognized contractual interest expense			300,000
Unamortized discount			600,000
Debt issuance costs			10,900,000
Interest expense			$ 0
Paycheck Protection Program
Debt Instrument [Line Items]
Proceeds from unsecured loan	$ 6,800,000
Loan maturity date			May 31, 2022
Interest rate	1.00%
Loan payment description			Principal and interest are payable monthly beginning seven months from the date of the PPP loan and may be prepaid at any time prior to maturity with no prepayment penalties.
Prepayment penalties	$ 0