Segment Information (Details) |
3 Months Ended | 12 Months Ended | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2018
USD ($)
|
Sep. 30, 2018
USD ($)
|
Jun. 30, 2018
USD ($)
|
Mar. 31, 2018
USD ($)
|
Dec. 31, 2017
USD ($)
|
Sep. 30, 2017
USD ($)
|
Jun. 30, 2017
USD ($)
|
Mar. 31, 2017
USD ($)
|
Dec. 31, 2018
USD ($)
segment
|
Dec. 31, 2017
USD ($)
|
Dec. 31, 2016
USD ($)
|
|
Segment Reporting [Abstract] | |||||||||||
Number of reportable segments | segment | 2 | ||||||||||
Segment Reporting Information [Line Items] | |||||||||||
Total revenue | $ 163,067 | $ 250,991 | $ 245,502 | $ 178,582 | $ 282,828 | $ 413,601 | $ 335,523 | $ 242,547 | $ 838,142 | $ 1,274,499 | $ 1,010,663 |
Loss from operations | 2,021,139 | 2,666,583 | 9,103,681 | 8,282,820 | 8,092,960 | 9,409,452 | 8,876,965 | 8,346,249 | 22,074,223 | 34,725,626 | 39,886,232 |
Interest income, net | $ 12,394 | $ 28,210 | $ 51,809 | $ 59,593 | $ 64,429 | $ 77,339 | $ 72,342 | $ 77,854 | 152,006 | 291,964 | 393,109 |
Operating Segments | Consumer Operations | |||||||||||
Segment Reporting Information [Line Items] | |||||||||||
Total revenue | 838,142 | 1,274,499 | 1,010,663 | ||||||||
Loss from operations | 1,975,792 | 8,877,330 | 10,023,137 | ||||||||
Interest income, net | 0 | 0 | 0 | ||||||||
Operating Segments | Drug Development | |||||||||||
Segment Reporting Information [Line Items] | |||||||||||
Total revenue | 0 | 0 | 0 | ||||||||
Loss from operations | 11,887,108 | 16,715,752 | 19,620,338 | ||||||||
Interest income, net | 0 | 0 | 0 | ||||||||
Corporate | |||||||||||
Segment Reporting Information [Line Items] | |||||||||||
Total revenue | 0 | 0 | 0 | ||||||||
Loss from operations | 8,211,323 | 9,132,544 | 10,242,757 | ||||||||
Interest income, net | $ 152,006 | $ 291,964 | $ 393,109 |