Note 6 - Fair Values of Assets and Liabilities - Reconciliation of Level 3 Liabilities (Details) $ in Thousands	6 Months Ended
Jun. 30, 2021 USD ($)
Balance	$ 2,919
Net revaluations of notes payable associated with structured financings, at fair value, included in earnings	(357)
Balance	$ 2,562

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.

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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant