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Note 17 - Subsequent Events (Details Textual) - USD ($) $ / shares in Units, $ in Thousands				1 Months Ended
	Oct. 31, 2023	Oct. 26, 2023	Oct. 06, 2023	Nov. 30, 2023	Sep. 30, 2023	Sep. 18, 2023	Dec. 31, 2022	Sep. 30, 2022	Mar. 02, 2017
Warrants at 34.00 Strike Price [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)									$ 34
Warrants at 34.00 Strike Price [Member] | Warrant Holder [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)					2,190,000	60,000	2,250,000	2,250,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)					$ 34	$ 34	$ 34	$ 34
Subsequent Event [Member]
Distribution Made to Limited Partner, Distributions Paid, Per Unit (in dollars per share)				$ 0.75
Dividends, Preferred Stock, Cash				$ 2,150
Subsequent Event [Member] | Warrants at 34.00 Strike Price [Member] | Warrant Holder [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	1,540,000	350,000	300,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 34	$ 34	$ 34
Proceeds from Warrant Exercises	$ 9,700	$ 11,100	$ 11,400

X

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-3

+ Details

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X

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-3

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X

- Definition

Per unit of ownership amount of cash distributions paid to unit-holder of a limited partnership (LP).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1

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X

- Definition

Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-SubTopic 405
-Topic 942
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481071/942-405-45-2

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X

- Definition

The cash inflow associated with the amount received from holders exercising their stock warrants.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 14
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-14

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