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Note 3 - Summary of Significant Accounting Policies - Fair Value of Marketable Securities (Details)	Dec. 31, 2023 USD ($)
Marketable Securities	$ 2,976,573
Estimate of Fair Value Measurement [Member]
Marketable Securities	2,976,573
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 1 [Member]
Marketable Securities	2,976,573
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 2 [Member]
Marketable Securities	0
Estimate of Fair Value Measurement [Member] \| Fair Value, Inputs, Level 3 [Member]
Marketable Securities	$ 0