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 Information [Line Items]
Number of reportable segments | segment			2
Revenue from external customers	$ 1,132,067	$ 1,100,214	$ 2,820,269	$ 2,819,145
Segment profit (loss)	(6,138,352)	4,759,844	(19,492,172)	(1,761,156)
Human Health
Segment Reporting Information [Line Items]
Revenue from external customers	1,107,682	364,054	2,545,121	364,054
Segment profit (loss)	(3,145,782)	996,493	(10,519,413)	996,493
Animal Health
Segment Reporting Information [Line Items]
Revenue from external customers	24,385	736,160	275,148	2,455,091
Segment profit (loss)	$ (2,992,570)	$ 3,763,351	$ (8,972,759)	$ (2,757,649)