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Note 11 - Net Income Attributable to Controlling Interests Per Common Share (Details Textual) - shares	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Weighted Average Number of Shares, Unvested Share-based Payment Awards, Basic (in shares)	100,331	421,639
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	0.0	100,000
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

X

- Definition

Represents basic weighted average number of shares related to unvested share-based payment awards.

+ References

No definition available.

+ Details

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X

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 42
-URI https://asc.fasb.org/extlink&oid=126958026&loc=d3e2029-109256

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 40
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=126958026&loc=d3e1930-109256

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