Stockholders' Equity

3 Months Ended

Mar. 31, 2016

Stockholders' Equity

Stockholders' Equity

10.Stockholders’ Equity

Significant Changes in Stockholders’ Equity

During the three months ended March 31, 2016, the increase in additional paid-in capital was attributable to (i) a $0.7 million reclassification of the fair value of warrants exercised and (ii) $0.4 million of stock-based compensation expense.