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Fair Value on a Recurring Basis: - Fair value hierarchy of the valuation inputs (Details) - Recurring - Fair Value, Inputs, Level 3 - USD ($) | Mar. 31, 2026 | Dec. 31, 2025
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Warrant liability |  |
Liabilities: |  |
Liabilities, fair value | $ 15,000 | $ 9,000
Derivative liability |  |
Liabilities: |  |
Liabilities, fair value | $ 3,764,000 | $ 2,114,000

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- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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