Note 9 - Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income tax provision at federal statutory rate (21%)			$ (895,428)	$ (139,314)
Foreign tax loss			28,175	82,715
State taxes			3,000	3,500
Difference between tax and book depreciation			48,144	39,827
Stock compensation			62,505	140,052
Other Permanent differences			62,907	(18,062)
Income tax expense (benefit) provision	$ (234,697)	$ (139,052)	$ (690,697)	$ 108,718

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

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