Note 2 - Sale and Deconsolidation of GMI and Discontinued Operations - Consideration Received (Details) - USD ($)	Jun. 30, 2023	Mar. 18, 2023	Mar. 17, 2023	Dec. 31, 2022
Cash at closing		$ 133,148	$ 935,974
GMDC common stock			581,000
Contingent payments	$ 682,000		682,000	$ 0
Total consideration			$ 2,332,122

Amount of asset recognized arising from contingent consideration in a business combination, expected to be realized beyond one year or the normal operating cycle, if longer.

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Amount classified as cash and cash equivalents attributable to disposal group held for sale or disposed of.

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Represents buyer stock for disposal group including discontinued operation.

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Represents estimated fair value of reporting unit for disposal group including discontinued operation.

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