Note 1 - Summary of Significant Accounting Policies (Details Textual)	3 Months Ended	9 Months Ended
Sep. 30, 2024 $ / shares shares	Sep. 30, 2023 $ / shares shares	Sep. 30, 2024 $ / shares shares	Sep. 30, 2023 $ / shares shares
Number Of Subsidiaries			2
Share-Based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) \| shares	511,119	511,119	523,619	523,619
Antidilutive Securities Excluded From Computation of Earnings Per Share, Exercise Price (in dollars per share) \| $ / shares	$ 10.45	$ 10.45	$ 10.45	$ 10.45

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

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Balance Type:	na
Period Type:	duration