Note 16 - Income Taxes - Effective Income Tax Reconciliation (Details)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Income tax benefit at federal statutory rate	21.00%	21.00%
State and local income taxes net of federal tax benefit	2.10%	0.50%
Meals and entertainment, non-deductible expenses and tax-exempt income	(0.10%)	(0.10%)
Officer's life insurance	(0.10%)	0.00%
Club Dues	(0.10%)	0.00%
Incentive stock option expense	(0.70%)	(0.10%)
Equity reversal	0.90%	0.00%
Nondeductible goodwill impairment	0.00%	(8.20%)
Nondeductible debt expenses	(1.50%)	(8.80%)
Financial statement true up	0.10%	0.00%
Miscellaneous other adjustments	(0.80%)	0.00%
Change in valuation allowance	(21.00%)	(4.30%)
Provision for income tax expenses (benefit)	(0.10%)	0.00%