Convertible Notes Schedule of interest expense for 2024 Notes (Details) - December 2024 Notes [Member] - USD ($) $ in Thousands		8 Months Ended	12 Months Ended
Sep. 18, 2019	Aug. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Interest Expense, Debt, Excluding Amortization		$ 49	$ 598
Accretion Expense		42	517
Amortization of debt issuance costs		6	53
Adjustments to Additional Paid in Capital, Convertible Debt with Conversion Feature	$ (8,100)	29	350
Interest Expense, Debt		$ 126	$ 1,518

Amortization of debt issuance costs

No definition available.

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- Definition

Amount recognized for the passage of time, typically for liabilities, that have been discounted to their net present values. Excludes accretion associated with asset retirement obligations.

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- Definition

Amount of increase (decrease) in additional paid in capital (APIC) resulting from recognition of deferred taxes for convertible debt with a beneficial conversion feature.

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- Definition

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.

+ References

No definition available.

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- Definition

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

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Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings, excluding amortization of debt discount (premium) and financing costs.

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