5.	Stockholders’ Equity and Stock-Based Compensation

As part of the DS Services Agreement, on January 1, 2014, we granted DS Services a warrant to purchase 475 shares of our common stock. The warrant is immediately exercisable at an exercise price of $3.04 per share and expires January 1, 2021. The warrant’s fair value of $589 was determined using the Black-Scholes pricing model and was recorded in common stock warrants on our condensed consolidated balance sheets and in non-recurring costs on our condensed consolidated statements of operations.

For the three and nine months ended September 30, 2014, we issued 72,972 and 219,238 shares of our common stock, respectively, upon partial cashless exercises of outstanding common stock purchase warrants with an exercise price of $1.20 per share originally issued to Comvest Capital II, L.P. on April 30, 2012.

Compensation expense related to stock-based compensation plans was $467 and $196 for the three months ended September 30, 2014 and 2013, respectively, and $1,364 and $819 for the nine months ended September 30, 2014 and 2013, respectively. Stock-based compensation is included in selling, general and administrative expenses in the condensed consolidated statements of operations.