Segment Information (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) segment	Sep. 30, 2017 USD ($)
Segment Reporting [Abstract]
Number of reportable segments | segment			2
Segment Reporting Information [Line Items]
Total revenue	$ 250,991	$ 413,601	$ 675,075	$ 991,671
Interest income, net	28,210	77,339	139,612	227,535
Loss from operations	2,666,583	9,409,452	20,053,084	26,632,666
Operating Segments | Consumer Operations
Segment Reporting Information [Line Items]
Total revenue	250,991	413,601	675,075	991,671
Interest income, net	0	0	0	0
Loss from operations	18,293	2,323,919	1,921,286	7,072,225
Operating Segments | Drug Development
Segment Reporting Information [Line Items]
Total revenue	0	0	0	0
Interest income, net	0	0	0	0
Loss from operations	864,934	4,683,533	11,699,499	12,472,149
Corporate
Segment Reporting Information [Line Items]
Total revenue	0	0	0	0
Interest income, net	28,210	77,339	139,612	227,535
Loss from operations	$ 1,783,356	$ 2,402,000	$ 6,432,299	$ 7,088,292