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Segment Information (Details 1) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Net revenues $ 22,194,348 $ 24,433,304
Mainland China [Member]    
Net revenues 21,632,637 21,292,111
Europe [Member]    
Net revenues 99,996
PRC Taiwan [Member]    
Net revenues 442 103,256
Israel [Member]    
Net revenues 118,906 990,953
USA [Member]    
Net revenues 285,556 1,833,837
Others [Member]    
Net revenues $ 156,807 $ 113,151