The share price of a debt investment instrument.

No definition available.

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 55
-Paragraph 69C
-URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495737-112612

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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-Section 55
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-URI https://asc.fasb.org/extlink&oid=123466577&loc=SL123495735-112612

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-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
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-URI https://asc.fasb.org/extlink&oid=123466505&loc=SL123495340-112611

+ Details

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- Definition

Value of input used to measure debt instrument, including, but not limited to, convertible and non-convertible debt.

+ 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 (bbb)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

+ Details

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- Definition

Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy.

+ References

No definition available.

+ Details

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- Definition

Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.

+ 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)(3)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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- Definition

Amount of unrealized gain (loss) on investment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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- Details

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Note 6 - Fair Value (Details Textual) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($) $ / shares	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) $ / shares	Sep. 30, 2021 USD ($)	Dec. 31, 2021
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net, Total	$ (1,117)	$ 0	$ (1,117)	$ (120)
Unrealized Gain (Loss) on Investments	3,442	$ 3,376	1,169	8,122
Warrant [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net, Total	(1,117)		(1,117)	(71)
Debt [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net, Total	0		0	0
Equity Securities [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net, Total	0		0	(49)
Fair Value, Inputs, Level 2 [Member] \| Warrant [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3	40		40	100
Fair Value, Inputs, Level 1 [Member] \| Warrant [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3	$ 1,100		1,100
Fair Value, Inputs, Level 1 [Member] \| Equity Securities [Member]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3				100
Fair Value, Inputs, Level 3 [Member] \| Warrant [Member]
Unrealized Gain (Loss) on Investments			1,200	6,300
Fair Value, Inputs, Level 3 [Member] \| Debt [Member]
Unrealized Gain (Loss) on Investments			3,500	300
Fair Value, Inputs, Level 3 [Member] \| Equity Securities [Member]
Unrealized Gain (Loss) on Investments			$ 400	$ 1,500
The 2026 Notes [Member]
Debt Instrument, Share Price (in dollars per share) \| $ / shares	$ 24.37		$ 24.37
The 2026 Notes [Member] \| Fair Value, Inputs, Level 2 [Member]
Debt Instrument, Fair Value Disclosure, Total	$ 56,100		$ 56,100
The 2027 Notes [Member]
Debt Instrument, Share Price (in dollars per share) \| $ / shares	$ 23.18		$ 23.18
The 2027 Notes [Member] \| Fair Value, Inputs, Level 1 [Member]
Debt Instrument, Fair Value Disclosure, Total	$ 53,300		$ 53,300
Asset-Backed Notes [Member] \| Fair Value, Inputs, Level 3 [Member]
Debt Instrument, Fair Value Disclosure, Total	$ 43,500		$ 43,500
Measurement Input, Hypothetical Market Yields [Member] \| Minimum [Member]
Debt Instrument, Measurement Input	0.03		0.03		0.03
Measurement Input, Hypothetical Market Yields [Member] \| Maximum [Member]
Debt Instrument, Measurement Input	0.25		0.25		0.23