Segment Information (Details 1) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Net revenues	$ 37,566,152	$ 22,194,348
Mainland China [Member]
Net revenues	35,464,245	21,632,637
Europe [Member]
Net revenues	1,776,000
Korea [Member]
Net revenues	246,453
Israel [Member]
Net revenues		118,906
USA [Member]
Net revenues	3,592	285,556
Others [Member]
Net revenues	$ 75,862	$ 157,249