Intangible Assets (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Components of intangible assets
Intangible assets, Gross	$ 4,893,699	$ 4,798,390
Less: accumulated amortization	(1,349,215)	(1,235,877)
Intangible assets, Net	3,544,484	3,562,513
Land use rights [Member]
Components of intangible assets
Intangible assets, Gross	4,023,244	3,925,789
Other intangible assets [Member]
Components of intangible assets
Intangible assets, Gross	$ 843,102	845,180
Goodwill [Member]
Components of intangible assets
Intangible assets, useful life	0 years
Intangible assets, Gross	$ 27,353	$ 27,421
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