EXHIBIT 2
JOINT FILING AGREEMENT
The undersigned hereby agree to the joint filing of the Amendment No. 1 to Schedule 13D to which this Agreement is attached.
Dated: May 20, 2016
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 |