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Segment Information (Details 1) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Net revenues $ 10,620,656 $ 8,089,804 $ 22,146,177 $ 17,532,415
Mainland China [Member]        
Net revenues 10,007,044 8,016,931 21,243,763 17,034,593
USA [Member]        
Net revenues (3,638) 219,827
Europe [Member]        
Net revenues 506,606 770,406
PRC Taiwan [Member]        
Net revenues (7) 445
Israel [Member]        
Net revenues (1,980) 119,698
Others [Member]        
Net revenues $ 107,006 $ 78,498 $ 132,008 $ 157,852