Note 16 - Taxes (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Income Tax Disclosure [Line Items]
Effective income tax rate and federal statutory income tax rate, difference	6.50%	6.70%
Pre-tax federal and state income tax NOL carryforwards	$ 5,197,000	$ 6,646,000
Uncertain tax positions	$ 0	0
Open tax year	2020 2021 2022 2023
Deferred tax assets recorded valuation allowance	$ 3,000,000
Federal and State [Member]
Income Tax Disclosure [Line Items]
Pre-tax federal and state income tax NOL carryforwards	$ 19,600,000	$ 24,600,000