Note 1 - Summary of Significant Accounting Policies (Details Textual)	12 Months Ended
Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Number of Reportable Segments	4
Accounts Receivable, Allowance for Credit Loss, Current	$ 0	$ 0
Accounts Receivable, after Allowance for Credit Loss, Total	331,196	354,196
Contract with Customer, Liability, Total	602,073	186,951
Research and Development Expense, Total	$ 320,320	$ 315,850

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 954
-SubTopic 310
-Section 45
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Amount of allowance for credit loss on accounts receivable, classified as current.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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