Intangible Assets - Net Definite-lived Intangible Assets (Details)	6 Months Ended
	Jun. 30, 2019 USD ($)
Finite-Lived Intangible Assets [Line Items]
Gross Value	$ 20,275,001
Accumulated Amortization	(2,083,307)
Abbreviated New Drug Applications [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Value	18,160,527
Accumulated Amortization	$ (1,963,578)
Estimated useful lives	13 years
Abbreviated New Drug Applications TDF [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Value	$ 1,972,815
Accumulated Amortization	$ (105,563)
Estimated useful lives	13 years
Cloud Computing Arrangement [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Value	$ 141,659
Accumulated Amortization	$ (14,166)
Estimated useful lives	5 years