Note 5 - Goodwill and Other Intangible Assets, Net (Details Textual) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Dec. 31, 2021
Goodwill, Impairment Loss	$ 0		$ 0
Goodwill, Period Increase (Decrease)			200,000		$ 1,800,000
Goodwill	16,453,049		16,453,049		16,231,938	$ 14,404,618
Goodwill, Acquired During Period			0	$ 2,000,000.0	1,997,174
Goodwill, Purchase Accounting Adjustments			221,111		(169,854)
Amortization of Intangible Assets	$ 315,302	$ 320,895	$ 630,605	$ 640,124
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	1 year		1 year
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	15 years		15 years
Acquisition of Global Tek Manufacturing LLC [Member]
Goodwill, Purchase Accounting Adjustments					(200,000)
Goodwill Approximation [Member]
Goodwill	$ 16,400,000		$ 16,400,000		$ 16,200,000