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| 0000866273-23-000017.txt | 2023-05-09 16:02:04 | |
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| exhibit311-mtrxx2023x3x31x.htm | 10175 | 2023-05-09 16:02:04 |
| exhibit312-mtrxx2023x3x31x.htm | 10163 | 2023-05-09 16:02:04 |
| exhibit321-mtrxx2023x3x31x.htm | 5123 | 2023-05-09 16:02:04 |
| exhibit322-mtrxx2023x3x31x.htm | 5139 | 2023-05-09 16:02:04 |
| exhibit95-mtrxx2023x3x31x.htm | 18076 | 2023-05-09 16:02:04 |
| FilingSummary.xml | 24189 | 2023-05-09 16:02:04 |
| Financial_Report.xlsx | 60699 | 2023-05-09 16:02:04 |
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| mtrx-20230331.htm | 1403226 | 2023-05-09 16:02:04 |
| mtrx-20230331.xsd | 38493 | 2023-05-09 16:02:04 |
| mtrx-20230331_cal.xml | 62854 | 2023-05-09 16:02:04 |
| mtrx-20230331_def.xml | 112380 | 2023-05-09 16:02:04 |
| mtrx-20230331_htm.xml | 1094309 | 2023-05-09 16:02:04 |
| mtrx-20230331_lab.xml | 498161 | 2023-05-09 16:02:04 |
| mtrx-20230331_pre.xml | 297208 | 2023-05-09 16:02:04 |
| R1.htm | 51534 | 2023-05-09 16:02:04 |
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| R27.htm | 19348 | 2023-05-09 16:02:04 |
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| report.css | 2767 | 2023-05-09 16:02:04 |
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