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| 0000866273-20-000135-index.html | 2020-11-05 17:02:46 | |
| 0000866273-20-000135.txt | 2020-11-05 17:02:46 | |
 0000866273-20-000135-xbrl.zip | 358405 | 2020-11-05 17:02:46 |
| exhibit101-fifthamende.htm | 1173737 | 2020-11-05 17:02:46 |
| exhibit311-mtrxx2020x0.htm | 10176 | 2020-11-05 17:02:46 |
| exhibit312-mtrxx2020x0.htm | 10164 | 2020-11-05 17:02:46 |
| exhibit321-mtrxx2020x0.htm | 5102 | 2020-11-05 17:02:46 |
| exhibit322-mtrxx2020x0.htm | 5118 | 2020-11-05 17:02:46 |
| exhibit95-mtrxx2020x09.htm | 17269 | 2020-11-05 17:02:46 |
| FilingSummary.xml | 27615 | 2020-11-05 17:02:46 |
| Financial_Report.xlsx | 61275 | 2020-11-05 17:02:46 |
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| mtrx-20200930.htm | 1102236 | 2020-11-05 17:02:46 |
| mtrx-20200930.xsd | 45048 | 2020-11-05 17:02:46 |
| mtrx-20200930_cal.xml | 83894 | 2020-11-05 17:02:46 |
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| report.css | 2767 | 2020-11-05 17:02:46 |
| Show.js | 1085 | 2020-11-05 17:02:46 |