CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income Statement [Abstract]
Revenues, net	$ 3,763,010	$ 4,250,433	$ 7,536,402	$ 8,235,897
Cost of goods sold	454,161	681,725	1,087,784	1,341,360
Gross profit	3,308,849	3,568,708	6,448,618	6,894,537
Operating expenses:
Sales, general, and administration	29,466,770	14,628,927	50,224,007	31,466,544
Research and development	6,798,380	8,716,395	13,837,677	16,441,235
Depreciation and amortization	65,603	53,189	125,224	102,888
Total operating expense	36,330,753	23,398,511	64,186,908	48,010,667
Operating loss	(33,021,904)	(19,829,803)	(57,738,290)	(41,116,130)
Other income (expense):
Miscellaneous income	334,238	149,054	648,795	275,022
Accreted interest		3,832		7,699
Interest expense	(531,382)		(531,382)
Total other (expense) income	(197,144)	152,886	117,413	282,721
Loss before taxes	(33,219,048)	(19,676,917)	(57,620,877)	(40,833,409)
Net loss	$ (33,219,048)	$ (19,676,917)	$ (57,620,877)	$ (40,833,409)
Net loss per share, basic and diluted (in dollars per share)	$ (0.15)	$ (0.10)	$ (0.27)	$ (0.20)
Weighted average number of common shares outstanding	216,640,186	203,384,610	216,583,067	200,602,778