Note 5 - Goodwill and Other Intangible Assets (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Goodwill, Impairment Loss	$ 0	$ 0
Goodwill, Period Increase (Decrease)	200,000	1,800,000
Goodwill	16,453,049	16,231,938	$ 14,404,618
Goodwill, Acquired During Period	0	1,997,174
Goodwill, Purchase Accounting Adjustments	221,111	$ (169,854)
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		1 year
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		15 years
Acquisition of Global Tek Manufacturing LLC [Member]
Goodwill, Purchase Accounting Adjustments		$ (200,000)
Goodwill Approximation [Member]
Goodwill	$ 16,500,000	$ 16,200,000	$ 14,400,000