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Note 6 - Accrued Expenses (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Schedule of Accrued Liabilities [Table Text Block]

		June 30, 2020				December 31, 2019
Accrued payroll		$	1,508,903			$	1,323,483
Accrued directors' fees			463,170				409,219
Other accrued expenses			104,286				118,338
Total accrued expenses		$	2,076,359			$	1,851,040

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Tabular disclosure of the components of accrued liabilities.

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