EX-2 3 t82927_ex2.htm EXHIBIT 2

 

EXHIBIT 2

 

JOINT FILING AGREEMENT

 

The undersigned hereby agree to the joint filing of the Amendment No. 2 to Schedule 13D to which this Agreement is attached.

 

Dated: August 7, 2015

 

  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