Note 10 - Income Taxes - Income Tax Reconciliation (Details) - USD ($)	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Federal Taxes at statutory rate	$ (372,364)	$ 450,464
State income taxes, net of Federal tax effect	(60,695)	67,768
Nondeductible expenses	35,083	51,741
Foreign taxes	522,803	132,905
Change in valuation allowance	586,706
Total Income Tax Provision	$ 711,533	$ 702,877

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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