Note 15 - Business Combination - Schedule of Business Combination (Details) - USD ($)	Aug. 09, 2023	Sep. 30, 2023	Dec. 31, 2022
Goodwill		$ 1,611,000	$ 0
Intrensic, LLC [Member]
Cash and cash equivalents	$ 3,000
Accounts receivable	90,000
Inventory	61,000
Net property, plant and equipment	0
Goodwill	1,611,000
Total assets	2,495,000
Liabilities	3,000
Equity	2,492,000
Total liabilities and equity	2,495,000
Payments to Acquire Businesses, Gross	553,588
Equity	1,938,000
Liabilities assumed	3,000
Total	2,495,000
Intrensic, LLC [Member] | Technology-Based Intangible Assets [Member]
Intangible assets	490,000
Intrensic, LLC [Member] | Customer Relationships [Member]
Intangible assets	160,000
Intrensic, LLC [Member] | Trademarks and Trade Names [Member]
Intangible assets	$ 80,000