EX-2 3 tv481688_ex2.htm EXHIBIT 2

 

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:  December 19, 2017

 

  DISCOVERY EQUITY PARTNERS, L.P.
     
  By Michael R. Murphy*
    Michael R. Murphy
    Manager
     
  DISCOVERY GROUP I, LLC
     
  By Michael R. Murphy *
    Michael R. Murphy
    Manager
     
  *By: /s/ Mark Buckley
    Mark Buckley
    Attorney-in-Fact for Michael R. Murphy