Note 10 - Third-party Long-term Debt - Unamortized Debt Issuance Costs (Details) - Nonrelated Party [Member] - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Less: Accumulated amortization	$ (1,276)	$ (1,225)
Debt Issuance Costs, Net	1,896	1,947
Veritex Community Bank [Member] \| LE Term Loan Due 2034 [Member]
Unamortized debt issue costs, gross	1,674	1,674
Veritex Community Bank [Member] \| LRM Term Loan Due 2034 [Member]
Unamortized debt issue costs, gross	768	768
Greater Nevada Credit Union (GNCU) [Member] \| NPS Term Loan Due 2031 [Member]
Unamortized debt issue costs, gross	$ 730	$ 730

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1A
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482925/835-30-45-1A

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482925/835-30-45-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482900/835-30-50-1

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1D
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D

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