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| ex_336158.htm | 6457 | 2022-02-28 07:30:56 |
| FilingSummary.xml | 38108 | 2022-02-28 07:30:56 |
| Financial_Report.xlsx | 72875 | 2022-02-28 07:30:56 |
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| mrtn-20211231.xsd | 61150 | 2022-02-28 07:30:56 |
| mrtn-20211231_cal.xml | 50728 | 2022-02-28 07:30:56 |
| mrtn-20211231_def.xml | 471023 | 2022-02-28 07:30:56 |
| mrtn-20211231_lab.xml | 412668 | 2022-02-28 07:30:56 |
| mrtn-20211231_pre.xml | 500626 | 2022-02-28 07:30:56 |
| mrtn20211231_10k.htm | 1479540 | 2022-02-28 07:30:56 |
| mrtn20211231_10k_htm.xml | 865043 | 2022-02-28 07:30:56 |
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| report.css | 2767 | 2022-02-28 07:30:56 |
| Show.js | 1085 | 2022-02-28 07:30:56 |