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Note 6 - Cash and Cash Equivalents - Schedule of Cash and Cash Equivalents (Details) - USD ($)	Jun. 30, 2025	Dec. 31, 2024
Money Market Funds	$ 1,138,823	$ 1,470,854
Total cash and cash equivalents	1,768,481	1,875,655
Demand Deposits [Member]
Demand Deposits	$ 629,658	$ 404,801

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

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