Equity offerings

6 Months Ended

Jun. 30, 2017

Equity offerings.

Equity offerings

9. Equity offerings

In March 2017, the Company terminated the at-the-market equity offering program established in December 2013 and established a new at-the-market equity offering program pursuant to which it is able to offer and sell up to $35.0 million of its common stock at then current market prices from time to time through Cantor Fitzgerald & Co., as sales agent. The Company has not commenced sales under this program.