Note 15 - Revenue Recognition - Schedule of Contract Assets With Customers (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Accounts receivable	$ 264,831	$ 415,119
Unbilled revenue	$ 0	$ 12,000

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

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