Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Inventory Write-down | $ 283,000 | $ 0 |
| Accounts Receivable, after Allowance for Credit Loss, Current | 0 | 67,000 |
| Revenue from Contract with Customer, Excluding Assessed Tax | 0 | $ 25,000 |
| Percentage of Revenue From Products Transferred at Point in Time | 100.00% | |
| Sale of Inventory [Member] | ||
| Revenue from Contract with Customer, Excluding Assessed Tax | $ 25,000 | |
| P. Kay Metals [Member] | ||
| Percentage of Revenue From Products Transferred at Point in Time | 100.00% | |
| Trade Accounts Receivable [Member] | ||
| Accounts Receivable, after Allowance for Credit Loss, Current | $ 0 | $ 0 |
| Fair Value, Recurring [Member] | ||
| Assets, Fair Value Disclosure, Total | 0 | |
| Liabilities, Fair Value Disclosure | $ 0 | |
| X | ||||||||||
- Definition The percentage of revenue to total revenue from products transferred to customers at a point in time. No definition available.
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| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Fair value portion of asset recognized for present right to economic benefit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Fair value of financial and nonfinancial obligations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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