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Note 6 - Accrued Expenses - Schedule of Accrued Expenses (Details) - USD ($)
Sep. 30, 2019
Dec. 31, 2018
Accrued management salaries $ 1,228,169 $ 924,509
Accrued directors’ fees 378,569 295,670
Other accrued expenses 125,700 18,373
Total accrued expenses $ 1,732,438 $ 1,238,552