Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000866273-21-000020-index-headers.html | 2021-05-10 16:08:35 | |
| 0000866273-21-000020-index.html | 2021-05-10 16:08:35 | |
| 0000866273-21-000020.txt | 2021-05-10 16:08:35 | |
 0000866273-21-000020-xbrl.zip | 29287 | 2021-05-10 16:08:35 |
| a33121exhibit99.htm | 294047 | 2021-05-10 16:08:35 |
| FilingSummary.xml | 1766 | 2021-05-10 16:08:35 |
| Financial_Report.xlsx | 5684 | 2021-05-10 16:08:35 |
 matrixlogoa01a091a.gif | 2637 | 2021-05-10 16:08:35 |
| MetaLinks.json | 18010 | 2021-05-10 16:08:35 |
| mtrx-20210510.htm | 39963 | 2021-05-10 16:08:35 |
| mtrx-20210510.xsd | 2733 | 2021-05-10 16:08:35 |
| mtrx-20210510_cal.xml | 770 | 2021-05-10 16:08:35 |
| mtrx-20210510_def.xml | 1715 | 2021-05-10 16:08:35 |
| mtrx-20210510_htm.xml | 10786 | 2021-05-10 16:08:35 |
| mtrx-20210510_lab.xml | 24583 | 2021-05-10 16:08:35 |
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| R1.htm | 38655 | 2021-05-10 16:08:35 |
| report.css | 2767 | 2021-05-10 16:08:35 |
| Show.js | 1085 | 2021-05-10 16:08:35 |