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Note 11 - Income Taxes - Income Tax Reconciliation (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
At Statutory Rate $ (598,492) $ (1,503,581)
State Taxes (285,914) (412,909)
Change in Valuation Allowance 936,808 2,473,248
NOL Carryback Claim (CARES Act) (201,654)
Nondeductible Expenses (367,848) 216,790
Foreign Taxes (69,969) (48,304)
Deconsolidation & Impairment 134,115 (373,448)
Other 44,710 (206,193)
Rounding (1) (1)
Provision (Benefit) for income taxes $ (403,074) $ 135,094