Annual report [Section 13 and 15(d), not S-K Item 405]

Cover
- Document And Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Note 6 - Notes Receivable (Details Textual)

v3.26.1

Note 6 - Notes Receivable (Details Textual) - USD ($)		12 Months Ended
Note 6 - Notes Receivable (Details Textual) - USD ($)	Feb. 06, 2026	Dec. 31, 2023	Dec. 31, 2025	Dec. 01, 2025	Dec. 31, 2024
Subsequent Event [Member] \| Lion Energy [Member]
Payments for Advance to Affiliate	$ 2,000,000
Lion Energy Note [Member]
Financing Receivable, after Allowance for Credit Loss, Current			$ 2,069,000	$ 2,069,000	$ 0
Financing Receivable, Allowance for Credit Loss			$ 0
Lion Energy Note [Member] \| Subsequent Event [Member]
Financing Receivable, after Allowance for Credit Loss, Current	$ 2,069,000
LiNiCo [Member]
Investment Owned, Balance, Shares (in shares)		2,000,000
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount		$ 1,400,000
Financing Receivable, after Allowance for Credit Loss, Current		$ 600,000			$ 100,000

- Definition

Amount of impairment loss on investment in equity security without readily determinable fair value.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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