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| 0000866273-19-000009-index.html | 2019-02-07 17:16:15 | |
| 0000866273-19-000009.txt | 2019-02-07 17:16:15 | |
 0000866273-19-000009-xbrl.zip | 169754 | 2019-02-07 17:16:15 |
| exhibit311-mtrxx2018x12x31.htm | 13041 | 2019-02-07 17:16:15 |
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| exhibit321-mtrxx2018x12x31.htm | 6989 | 2019-02-07 17:16:15 |
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| exhibit95-mtrxx2018x12x31x.htm | 16132 | 2019-02-07 17:16:15 |
| FilingSummary.xml | 25514 | 2019-02-07 17:16:15 |
| Financial_Report.xlsx | 56695 | 2019-02-07 17:16:15 |
| mtrx-20181231.xml | 948349 | 2019-02-07 17:16:15 |
| mtrx-20181231.xsd | 48599 | 2019-02-07 17:16:15 |
| mtrx-20181231_cal.xml | 75937 | 2019-02-07 17:16:15 |
| mtrx-20181231_def.xml | 187343 | 2019-02-07 17:16:15 |
| mtrx-20181231_lab.xml | 602222 | 2019-02-07 17:16:15 |
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| mtrx-2018x12x31x10q.htm | 1008416 | 2019-02-07 17:16:15 |
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