Note 12 - Financial Instruments and Investment in Partnership (Details Textual) - USD ($) $ in Thousands	2 Months Ended	12 Months Ended
Dec. 31, 2022	Dec. 31, 2022	Dec. 31, 2021
Payments to Acquire Investments, Total		$ 19,500	$ (0)
Lion Fund II, L.P. [Member]
Payments to Acquire Investments, Total	$ 19,500
Investments in Affiliates, Subsidiaries, Associates, and Joint Ventures, Fair Value Disclosure	$ 15,091	$ 15,091

Fair value portion of investments in an entity not consolidated. Includes, but is not limited to, investments in an entity that is affiliated with the reporting entity by means of direct or indirect ownership, an entity in which the reporting entity shares control of the entity with another party or group, an entity which the company has significant influence, but does not have control and subsidiaries that are not required to be consolidated and are accounted for using the equity or cost method.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-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:	debit
Period Type:	instant