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Note 6 - Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

		March 31, 2021				December 31, 2020
Accrued salaries and directors' fees		$	-			$	279,696
Other accrued expenses			36,623				79,585
Total accrued expenses		$	36,623			$	359,281

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Tabular disclosure of the components of accrued liabilities.

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