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Note 5 - Digital Assets - Crypto Asset, Holding (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2026 USD ($) | Dec. 31, 2025 USD ($)
Crypto Asset, Number of Units | 2,153,141,678 | 0
Crypto Asset, Fair Value | $ 160,086 | $ 0
SKY Tokens [Member] |  |
Crypto Asset, Number of Units | 2,153,141,678 |
Crypto Asset, Cost Basis | $ 137,412,000 |
Crypto Asset, Fair Value | 160,086,000 |
Crypto Asset, Unrealized Gain (Loss), Operating and Nonoperating | $ 22,674,000 |

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- Definition Amount of unrealized gain (loss) from remeasurement of crypto asset, classified as operating and nonoperating. Excludes crypto asset held for platform user. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 60 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147476163/350-60-45-2 + Details
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