Note 3 - Disaggregation of Revenues and Segment Reporting - Net Sales by Geographical Region (Details) - USD ($)	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenue	$ 2,478,221	$ 5,070,446	$ 11,198,627	$ 14,071,984
Reportable Geographical Components [Member]
Revenue	2,478,221	5,070,446	11,198,627	14,071,984
Americas [Member] \| Reportable Geographical Components [Member]
Revenue	373,364	986,316	1,904,237	1,798,608
Asia Pacific [Member] \| Reportable Geographical Components [Member]
Revenue	127,030	891,058	563,670	2,031,013
Europe [Member] \| Reportable Geographical Components [Member]
Revenue	1,973,219	2,933,092	7,908,036	8,944,536
Middle East and Africa [Member] \| Reportable Geographical Components [Member]
Revenue	$ 4,607	$ 259,980	$ 822,684	$ 1,297,827

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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+ Details