Commitments and Contingencies

6 Months Ended

Jun. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

4. Commitments and Contingencies

Clinical Research Organization and Manufacturing Commitments

As of June 30, 2015, the Company has a balance of unapplied purchase orders for expenditures related to external clinical research and outsourced drug manufacturing of approximately $6.2 million, of which the Company expects to incur approximately $3.3 million over the next six months.