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Note 5 - Net Income Per Common Unit (Details Textual) - $ / shares	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 22.81 Strike Price [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)					$ 22.81
Warrant Holder [Member] | Warrants at 34.00 Strike Price [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
Warrant Holder [Member] | Warrants at 22.81 Strike Price [Member]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)	0	752,500	750,000	750,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)	$ 22.81	$ 22.81	$ 22.81	$ 22.81

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

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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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