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Note 7 - Effective Tax Expense (Benefit) (Details)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Income taxes at Federal statutory rate (34.00%) (34.00%)
State income taxes, net of Federal income tax effect (13.00%) (6.00%)
Foreign tax rate differential 2.40% 0.00%
Change in valuation allowance 43.50% 40.00%
Other 1.10% 0.00%
Income tax provision 0.00% 0.00%