EXHIBIT 2
JOINT FILING AGREEMENT
The undersigned hereby agree to the joint filing of the Schedule 13D to which this Agreement is attached.
Dated: October 18, 2013
DISCOVERY GROUP I, LLC, for itself and as general partner of DISCOVERY EQUITY PARTNERS, L.P. | ||
By | Michael R. Murphy* | |
Michael R. Murphy | ||
Managing Member | ||
Daniel J. Donoghue* | ||
Daniel J. Donoghue | ||
Michael R. Murphy* | ||
Michael R. Murphy | ||
*By: | /s/ Mark Buckley | |
Mark Buckley | ||
Attorney-in-Fact for Daniel J. Donoghue | ||
Attorney-in-Fact for Michael R. Murphy |