EXHIBIT 24.1

                                POWER OF ATTORNEY

                                  March 9, 2012

        Know all men by these presents, that each of Becker Drapkin Management,
L.P., Becker Drapkin Partners (QP), L.P., Becker Drapkin Partners, L.P., BC
Advisors, LLC, Steven R. Becker and Matthew A. Drapkin hereby constitutes and
appoints Ashley Sekimoto, as the true and lawful attorney-in-fact and agent of
such party with full power and authority and full power of substitution and
resubstitution, for, in the name of, and on behalf of such party, place and
stead, in any and all capacities, (i) to execute any and all filings required by
such party under Section 13 or Section 16 of the Securities Exchange Act of
1934, as amended (the "Exchange Act") (or any similar rule with respect to
foreign exchanges) or any rule or regulation thereunder (including any
amendment, supplement, and/or exhibit thereto), for, in the name of, and on
behalf of such party, (ii) to do and perform any and all acts for, in the name
of, and on behalf of such party which said attorney-in-fact determines may be
necessary or appropriate to complete and execute any and all such filings,
amendments, supplements and/or exhibits and any and all other document(s) in
connection therewith, (iii) to file such filings, amendments, supplements,
exhibits and/or documents with any governmental office or agency, whether U.S.,
foreign, state or local government (including, without limitation, the U.S.
Securities and Exchange Commission and state securities administrators or
commissions), or any stock exchange or stock quotation system, as may be
required under applicable laws or rules and regulations of any stock exchange or
stock quotation system, and (iv) to perform any and all other acts that said
attorney-in-fact or agent determines may be necessary or appropriate in
connection with the foregoing that may be in the best interest of or legally
required by such party, granting unto said attorney-in-fact and agent full power
and authority to do and perform each and every act and thing requisite or
necessary to be done in and about the premises, as fully to all intents and
purposes as such party might or could do in person, hereby ratifying and
confirming all that said attorney-in-fact and agent shall do or cause to be done
by virtue hereof. Each of Becker Drapkin Management, L.P., Becker Drapkin
Partners (QP), L.P., Becker Drapkin Partners, L.P., BC Advisors, LLC, Steven R.
Becker and Matthew A. Drapkin hereby acknowledges that the foregoing
attorney-in-fact and agent in serving in such capacity at the request of such
party, is not assuming any of the responsibilities of such party to comply with
Section 16 or Section 13(d) of the Exchange Act and the rules and regulations
promulgated thereunder.

        This Power of Attorney shall remain in full force and effect until each
of Becker Drapkin Management, L.P., Becker Drapkin Partners (QP), L.P., Becker
Drapkin Partners, L.P., BC Advisors, LLC, Steven R. Becker and Matthew A.
Drapkin is no longer required to file reports under Section 13 or Section 16 of
the Exchange Act (or any similar rule with respect to foreign exchanges) or any
rule or regulation thereunder (including any amendment, supplement, and/or
exhibit thereto), unless earlier revoked by any of Becker Drapkin Management,
L.P., Becker Drapkin Partners (QP), L.P., Becker Drapkin Partners, L.P., BC
Advisors, LLC, Steven R. Becker or Matthew A. Drapkin in a signed writing
delivered to Ashley Sekimoto.

        IN WITNESS WHEREOF, each party hereto has caused this agreement to be
executed and effective as of the date first written above.

        Date: March 9, 2012           BECKER DRAPKIN MANAGEMENT, L.P.

                                      By:    BC Advisors, LLC
                                      Its:   General Partner

                                      By:    /s/ Steven R. Becker
                                             -----------------------------------
                                      Name:  Steven R. Becker
                                      Title: Managing Member

                                      BECKER DRAPKIN PARTNERS (QP), L.P.

                                      By:    Becker Drapkin Management, L.P.
                                      Its:   General Partner

                                      By:    BC Advisors, LLC
                                      Its:   General Partner

                                      By:    /s/ Steven R. Becker
                                             -----------------------------------
                                      Name:  Steven R. Becker
                                      Title: Managing Member

                                      BECKER DRAPKIN PARTNERS, L.P.

                                      By:    Becker Drapkin Management, L.P.
                                      Its:   General Partner

                                      By:    BC Advisors, LLC
                                      Its:   General Partner

                                      By:    /s/ Steven R. Becker
                                             -----------------------------------
                                      Name:  Steven R. Becker
                                      Title: Managing Member

                                      BC ADVISORS, LLC

                                      By:    /s/ Steven R. Becker
                                             -----------------------------------
                                      Name:  Steven R. Becker
                                      Title: Managing Member

                                      STEVEN R. BECKER

                                      /s/ Steven R. Becker
                                      ------------------------------------------

                                      MATTHEW A. DRAPKIN

                                      /s/ Matthew A. Drapkin
                                      ------------------------------------------