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Derivative Liability - Changes in Fair Value (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
2018 Exit Fee
Change in Fair Value of Derivative Liability
Beginning balance	$ 700
Ending balance	700
2022 Exit Fee
Change in Fair Value of Derivative Liability
Ending balance	400
Exit Fee derivative liability
Change in Fair Value of Derivative Liability
Beginning balance	698	$ 1,376
2022 Exit Fee addition at fair value	375	0
Ending balance	1,127	680
Exit Fee derivative liability | 2018 Exit Fee
Change in Fair Value of Derivative Liability
Changes in estimated fair value	(4)	(696)
Exit Fee derivative liability | 2022 Exit Fee
Change in Fair Value of Derivative Liability
Changes in estimated fair value	$ 58	$ 0

X

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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- Definition

Amount of purchases of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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- Definition

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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