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Note 2 - Summary of Significant Accounting Policies - Fair Value Measurements (Details) - USD ($)	Sep. 30, 2025	Dec. 31, 2024
Fair Value, Nonrecurring [Member]
Cash and money market accounts		$ 3,758,232
Bank debt		9,465,500
Fair Value, Recurring [Member]
Cash and money market accounts	$ 3,886,198
Bank debt	8,742,993
Fair Value, Inputs, Level 1 [Member] | Fair Value, Nonrecurring [Member]
Cash and money market accounts		3,758,232
Bank debt		0
Fair Value, Inputs, Level 1 [Member] | Fair Value, Recurring [Member]
Cash and money market accounts	3,886,198
Bank debt	0
Fair Value, Inputs, Level 2 [Member] | Fair Value, Nonrecurring [Member]
Cash and money market accounts		0
Bank debt		9,465,500
Fair Value, Inputs, Level 2 [Member] | Fair Value, Recurring [Member]
Cash and money market accounts	0
Bank debt	8,742,993
Fair Value, Inputs, Level 3 [Member] | Fair Value, Nonrecurring [Member]
Cash and money market accounts		0
Bank debt		$ 0
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member]
Cash and money market accounts	0
Bank debt	$ 0

X

- Definition

Fair value portion 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. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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