Summary Of Property and Equipment (Details) - USD ($)	Dec. 31, 2016	Feb. 29, 2016	Dec. 31, 2015
Property Plant And Equipment [Abstract]
Office equipment	$ 447,580		$ 257,296
Leasehold improvements	1,847,378	$ 710,000	224,061
Laboratory and manufacturing equipment	2,659,621		2,442,191
Field equipment	131,096		180,355
Software	150,451		140,248
Construction in progress	176,963		175,501
Total property and equipment, gross	5,413,089		3,419,652
Less: accumulated depreciation and amortization	(2,142,892)		(1,487,439)
Property and equipment, net	$ 3,270,197		$ 1,932,213