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| 0000866273-22-000008.txt | 2022-02-08 16:33:34 | |
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| exhibit311-mtrxx2021x12x31x.htm | 10181 | 2022-02-08 16:33:34 |
| exhibit312-mtrxx2021x12x31x.htm | 10169 | 2022-02-08 16:33:34 |
| exhibit321-mtrxx2021x12x31x.htm | 5132 | 2022-02-08 16:33:34 |
| exhibit322-mtrxx2021x12x31x.htm | 5148 | 2022-02-08 16:33:34 |
| exhibit95-mtrxx2021x12x31x.htm | 17266 | 2022-02-08 16:33:34 |
| FilingSummary.xml | 26510 | 2022-02-08 16:33:34 |
| Financial_Report.xlsx | 65045 | 2022-02-08 16:33:34 |
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| mtrx-20211231.htm | 1584617 | 2022-02-08 16:33:34 |
| mtrx-20211231.xsd | 40263 | 2022-02-08 16:33:34 |
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| mtrx-20211231_lab.xml | 536369 | 2022-02-08 16:33:34 |
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| report.css | 2767 | 2022-02-08 16:33:34 |
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