Accrued Liabilities (Details) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Accrued Liabilities
Accrued Research & Development Expense	$ 101,064	$ 86,820
Accrued Compensation and Benefits	1,095,261	1,525,599
Accrued Legal Expenses	943,642	170,334
Accrued Marketing Expenses	236,793	5,000
Other Accrued Liabilities	1,694,581	3,342,008
Total Accrued Liabilities	$ 4,071,341	$ 5,129,761