Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Income Statement [Abstract]
Product revenue	$ 387,555	$ 0
Government grant revenue	219,917
Total revenue	607,472	0
Cost of goods sold	352,683	0
Gross profit	254,789	0
Expenses
Research and development	4,536,244	2,242,216
Sales and marketing	1,737,470	252,359
General and administrative	6,140,821	2,665,154
Total expenses	12,414,535	5,159,729
Operating income (loss)	(12,159,746)	(5,159,729)
Interest and other income (expense)
Interest income	0	1,085
Other expense	(183,565)	(7,243)
Interest expense	0	(4,130,394)
Change in fair value of warrants liabilities	(515,860)	(3,941,335)
Inducement charge for Series C warrants	(3,049,375)	0
Net loss	$ (15,908,546)	$ (13,237,616)
Basic and diluted net loss per common share (in dollars per share)	$ (1.69)	$ (10.42)
Weighted-average common shares outstanding used to calculate basic and diluted net loss per common share	9,425,880	1,270,033