Note 14 - Taxes (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Line Items]
Effective income tax rate and federal statutory income tax rate, difference	3.80%	3.20%
Pre-tax federal and state income tax NOL carryforwards	$ 3,255,000	$ 973,000
Uncertain tax positions	$ 0	0
Open tax year	2018 2019 2020 2021
Federal and State [Member]
Income Tax Disclosure [Line Items]
Pre-tax federal and state income tax NOL carryforwards	$ 12,100,000	$ 3,500,000