Note 4 - Notes Receivable and Advances - Total Notes Receivable (Details) - USD ($)	Jun. 30, 2026	Dec. 31, 2025
Total notes receivable and advances, non-current portion, net	$ 0	$ 10,313,754
Sierra Springs Opportunity Fund, Inc. Note Receivable [Member]
Total notes receivable and advances, non-current portion, net	0	9,400,000
Daney Ranch Sale Note Receivable [Member]
Total notes receivable and advances, non-current portion, net	$ 0	$ 913,754

Amount, after allowance for credit loss, of financing receivable, classified as noncurrent.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant