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Note 9 - Income Taxes (Details) - Schedule of Components of Income Tax Expense (Benefit) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Current:    
Federal $ (655,972) $ 2,458,876
State 2,400 2,400
PRC 111,142 122,987
(542,430) 2,584,263
Deferred:    
Federal (41,138) 271,799
State (76,350) (96,249)
Total (benefit) provision for income taxes $ (659,918) $ 2,759,813