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Note 3 - Summary of Significant Accounting Policies (Details Textual) | 12 Months Ended
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Dec. 31, 2025 USD ($) | Dec. 31, 2024 USD ($)
Number of Operating Segments | 1 |
General and Administrative Expense [Member] |  |
Patent Expense | $ 377,000 | $ 251,000
Office Equipment [Member] | Minimum [Member] |  |
Property, Plant and Equipment, Useful Life | 3 years |
Office Equipment [Member] | Maximum [Member] |  |
Property, Plant and Equipment, Useful Life | 10 years |
Computer Equipment [Member] |  |
Property, Plant and Equipment, Useful Life | 4 years |

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- Definition The amount of expense associated with gaining and maintaining certain patents. + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 49 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482785/280-10-55-49 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-18 + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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