Note 19 - Business Combination - Schedule of Business Acquisitions (Details) - USD ($)	Aug. 16, 2023	Aug. 16, 2023	Aug. 09, 2023	Dec. 31, 2023	Dec. 31, 2022
Goodwill				$ 1,610,000	$ 0
Intrensic, LLC [Member]
Cash and cash equivalents	$ 3,000	$ 3,000
Accounts receivable	91,000	91,000
Inventory	61,000	61,000
Goodwill	1,610,000	1,610,000
Total assets	2,495,000	2,495,000
Liabilities	3,000	3,000
Equity	2,492,000	2,492,000
Total liabilities and equity	2,495,000	2,495,000
Cash	554,000	554,000	$ 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	490,000
Intrensic, LLC [Member] | Customer Relationships [Member]
Intangible assets	160,000	160,000
Intrensic, LLC [Member] | Trademarks and Trade Names [Member]
Intangible assets	$ 80,000	$ 80,000