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Note 1 - Summary of Significant Accounting Policies (Details Textual)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025 $ / shares shares	Sep. 30, 2024 $ / shares shares	Sep. 30, 2025 $ / shares shares	Sep. 30, 2024 $ / shares shares	Dec. 31, 2024
Number Of Subsidiaries			2		2
Weighted Average Number of Shares Outstanding, Diluted, Adjustment (in shares)	12,242	0	1,532	0
Number of Reportable Segments			1
Share-Based Payment Arrangement, Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	508,619	523,619	508,619	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
Non-vested Stock [Member]
Weighted Average Number of Shares Outstanding, Diluted, Adjustment (in shares)	12,242		1,532

X

- Definition

Represents the exercise price of antidilutive securities excluded from computation of earnings per share.

+ References

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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
-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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+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 47
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482785/280-10-55-47

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 54
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482785/280-10-55-54

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482810/280-10-50-18

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- Definition

The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-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

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