Note 3 - Notes Receivable, Net (Details Textual) - USD ($) |
Feb. 06, 2026 |
Mar. 31, 2026 |
Dec. 31, 2025 |
Dec. 01, 2025 |
|---|---|---|---|---|
| Lion Energy [Member] | ||||
| Payments for Advance to Affiliate | $ 2,000,000 | |||
| Lion Energy Note [Member] | ||||
| Financing Receivable, after Allowance for Credit Loss, Current | 2,100,000 | $ 3,663,000 | $ 2,069,000 | $ 2,069,000 |
| Interest Receivable, Current | $ 31,000 | 60,000 | $ 0 | |
| Financing Receivable, Allowance for Credit Loss, Current | $ 437,000 |
| X | ||||||||||
- Definition Amount of allowance for credit loss on financing receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Carrying amount as of the balance sheet date of current interest earned but not received. Also called accrued interest or accrued interest receivable. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amortized cost, after allowance for credit loss, of financing receivable classified as current. Excludes net investment in lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The cash outflow from advancing money to an affiliate (an entity that is related but not strictly controlled by the entity). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|