Prepaid Expenses (Details) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Prepaid Expenses
Prepaid clinical trial expense	$ 1,877,434
Prepaid insurance	1,102,249	48,055
Other	67,245	98,649
Total prepaid expenses	3,046,928	146,704
Prepaid expenses, short-term and long-term
Prepaid expenses, short-term	1,369,494	146,704
Prepaid expenses, long-term	1,677,434
Total prepaid expenses	$ 3,046,928	$ 146,704