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Note 8 - Investments, Including Investments Accounted for Using the Equity Method - Summarized Financial Data (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Revenue	$ 19,374,109	$ 16,529,997
Gross profit	6,731,623	7,579,760
Income from continuing operations	1,806,620	3,184,701
Net income	$ 1,859,438	$ 3,138,320

X

- Definition

The amount of gross profit (loss) reported by an equity method investment of the entity.

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