Property and Equipment, net - Schedule of Property and Equipment (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 22,702,401	$ 12,514,374
Less: accumulated depreciation	(2,207,919)	(660,610)
Property and equipment, net	20,494,482	11,853,764
Office Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	384,088	273,339
Electronic Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	599,495	160,772
Vehicle
Property Plant And Equipment [Line Items]
Property and equipment, gross	77,460	81,360
Laboratory Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	3,916,615	1,686,133
Manufacturing Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	9,368,930	2,832,726
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	4,607,975	3,227,150
Construction in Progress
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 3,747,838	$ 4,252,894

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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