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| 0000891014-18-000026-index.html | 2018-11-02 16:06:14 | |
| 0000891014-18-000026.txt | 2018-11-02 16:06:14 | |
 0000891014-18-000026-xbrl.zip | 155971 | 2018-11-02 16:06:14 |
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| mtx-20180930_cal.xml | 81410 | 2018-11-02 16:06:14 |
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| report.css | 2767 | 2018-11-02 16:06:14 |
| Show.js | 1085 | 2018-11-02 16:06:14 |