Note 11 - Net Income Attributable to Controlling Interests Per Common Share (Details Textual) - shares	3 Months Ended	9 Months Ended
Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Weighted Average Number of Shares, Unvested Share-based Payment Awards, Basic (in shares)	241,302	146,617	225,754	133,702
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	100,000	100,000	100,000	0
Series A Preferred Stock [Member]
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Preferred Stock (in shares)	4,000,000	4,000,000	4,000,000	4,000,000

Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of convertible preferred stock using the if-converted method.

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

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 42
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482689/260-10-45-42

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 40
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482689/260-10-45-40

Name:	us-gaap_IncrementalCommonSharesAttributableToConversionOfPreferredStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration