Fixed Assets - Schedule of Fixed Assets (Detail) - USD ($)	6 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Property, Plant and Equipment [Line Items]
Less accumulated depreciation and amortization	$ (1,809,000)	$ (1,198,000)
Fixed assets, net	$ 8,576,555	9,187,620
Manufacturing Facility/Clean Room [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	8 years
Fixed assets, gross	$ 2,734,000	2,734,000
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	10 years
Fixed assets, gross	$ 6,075,000	6,075,000
Office furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Fixed assets, gross	$ 557,000	557,000
Office furniture and equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	3 years
Office furniture and equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	10 years
Lab equipment [Member]
Property, Plant and Equipment [Line Items]
Fixed assets, gross	$ 1,019,000	$ 1,019,000
Lab equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	5 years
Lab equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	10 years