Intangible Assets (Details) - USD ($)	3 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Components of intangible assets
Intangible assets, Gross	$ 8,333,510	$ 6,700,131
Less: accumulated amortization	(1,500,055)	(1,305,835)
Intangible assets, Net	6,833,455	5,394,296
Land use rights [Member]
Components of intangible assets
Intangible assets, Gross	$ 4,294,429	4,149,181
Patent use rights [Member]
Components of intangible assets
Intangible assets, useful life	10 years
Intangible assets, Gross	$ 2,544,772	2,458,701
Other intangible assets [Member]
Components of intangible assets
Intangible assets, Gross	1,441,319	92,249
Goodwill [Member]
Components of intangible assets
Intangible assets, Gross	$ 52,990
Minimum [Member] | Land use rights [Member]
Components of intangible assets
Intangible assets, useful life	45 years
Minimum [Member] | Other intangible assets [Member]
Components of intangible assets
Intangible assets, useful life	3 years
Maximum [Member] | Land use rights [Member]
Components of intangible assets
Intangible assets, useful life	50 years
Maximum [Member] | Other intangible assets [Member]
Components of intangible assets
Intangible assets, useful life	5 years