POWER OF ATTORNEY
For Executing Forms 3, 4 and 5
  The undersigned hereby constitutes and appoints each of William Roeschlein,
Christopher Ferrell and Thomas Vaughn acting singly,
as his true and lawful attorney-in-fact to:
(1)	execute for and on behalf of the undersigned Forms 3, 4 and 5 in
accordance with Section 16(a) of the Securities Exchange Act of 1934
and the rules thereunder; and
(2)	do and perform any and all acts for and on behalf of the undersigned
which may be necessary or desirable to complete the execution of any
such Form 3, 4 or 5 and the timely filing of such form with the
United States Securities and Exchange Commission and any other person
or authority.
  The undersigned hereby grants to each such attorney-in-fact full
power and authority to do and perform all and every act and thing
whatsoever requisite, necessary and proper to be done in the exercise
of any of the rights and powers herein granted, with full power of
substitution or revocation, hereby ratifying and confirming all that
such attorney-in-fact, or his substitute or substitutes, shall
lawfully do or cause to be done by virtue of this power of attorney
and the rights and powers herein granted.  The undersigned
acknowledges that the above-named attorneys-in-fact, in serving in
such capacity at the request of the undersigned, are not assuming any
of the undersigned's responsibilities to comply with Section 16 of
the Securities Exchange Act of 1934.
  IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of this 24th day of February, 2020.

/s/ Jay W. Freeland