Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000891014-20-000017-index-headers.html | 2020-04-30 17:05:30 | |
| 0000891014-20-000017-index.html | 2020-04-30 17:05:30 | |
| 0000891014-20-000017.txt | 2020-04-30 17:05:30 | |
 0000891014-20-000017-xbrl.zip | 33861 | 2020-04-30 17:05:30 |
| ex99_1.htm | 857866 | 2020-04-30 17:05:30 |
| FilingSummary.xml | 1693 | 2020-04-30 17:05:30 |
| Financial_Report.xlsx | 5797 | 2020-04-30 17:05:30 |
| form8k_0430.htm | 33159 | 2020-04-30 17:05:30 |
| form8k_0430_htm.xml | 4060 | 2020-04-30 17:05:30 |
 image0.jpg | 88923 | 2020-04-30 17:05:30 |
| MetaLinks.json | 20847 | 2020-04-30 17:05:30 |
| mtx-20200430.xsd | 4204 | 2020-04-30 17:05:30 |
| mtx-20200430_lab.xml | 22718 | 2020-04-30 17:05:30 |
| mtx-20200430_pre.xml | 16223 | 2020-04-30 17:05:30 |
| R1.htm | 38620 | 2020-04-30 17:05:30 |
| report.css | 2767 | 2020-04-30 17:05:30 |
| Show.js | 1085 | 2020-04-30 17:05:30 |