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Derivatives (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Mar. 31, 2023	May 31, 2013
2023 13% Notes
Derivative [Line Items]
Loan interest rate	13.00%			13.00%
Convertible 8.00% Senior Notes Issued 2013
Derivative [Line Items]
Gain (loss) on derivative		$ 200,000	$ (1,200,000)
Embedded derivative, fair value		$ 0
Loan interest rate		8.00%			8.00%
2023 Funding Agreement
Derivative [Line Items]
Gain (loss) on derivative	$ 1,600,000
Embedded derivative, fair value	1,300,000
2019 Facility Agreement
Derivative [Line Items]
Gain (loss) on derivative		$ (1,000,000)	$ 200,000
Embedded derivative, fair value	$ 0	$ 100,000

X

- Definition

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

+ References

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-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
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-Publisher FASB
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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
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- Definition

Net fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as assets, net of those classified as liabilities.

+ References

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- Definition

Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

+ References

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