Summary Of Property and Equipment (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Property Plant And Equipment [Abstract]
Office equipment	$ 257,296	$ 414,424
Leasehold improvements	224,061	234,602
Laboratory and manufacturing equipment	2,442,191	2,003,693
Field equipment	180,355	286,044
Software	140,248	140,248
Construction in progress	175,501	6,125
Total property and equipment, gross	3,419,652	3,085,136
Less: accumulated depreciation and amortization	(1,487,439)	(1,938,537)
Property and equipment, net	$ 1,932,213	$ 1,146,599