Exhibit 99.1


                         Form 3 Joint Filer Information


Name:                                  Prescott Group Aggressive Small Cap, L.P.


Address:                               1924 South Utica, Suite 1120
                                       Tulsa, OK 74104

Date of Event Requiring Statement:     06/14/19


Name:                                  Prescott Group Aggressive Small Cap II,
                                       L.P.

Address:                               1924 South Utica, Suite 1120
                                       Tulsa, OK 74104

Date of Event Requiring Statement:     06/14/19


Name:                                  Prescott Group Aggressive Small Cap
                                       Master Fund, G.P.

Address:                               1924 South Utica, Suite 1120
                                       Tulsa, OK 74104

Date of Event Requiring Statement:     06/14/19


Name:                                  Phil Frohlich


Address:                               1924 South Utica, Suite 1120
                                       Tulsa, OK 74104

Date of Event Requiring Statement:     06/14/19