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| 0000040211-23-000162-index.html | 2023-10-26 15:02:11 | |
| 0000040211-23-000162.txt | 2023-10-26 15:02:11 | |
 0000040211-23-000162-xbrl.zip | 519356 | 2023-10-26 15:02:11 |
| a20230930-exhibit31a.htm | 9673 | 2023-10-26 15:02:11 |
| a20230930-exhibit31b.htm | 9767 | 2023-10-26 15:02:11 |
| a20230930-exhibit32.htm | 7061 | 2023-10-26 15:02:11 |
| FilingSummary.xml | 28152 | 2023-10-26 15:02:11 |
| Financial_Report.xlsx | 83409 | 2023-10-26 15:02:11 |
| gmt-20230930.htm | 1828009 | 2023-10-26 15:02:11 |
| gmt-20230930.xsd | 38661 | 2023-10-26 15:02:11 |
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| gmt-20230930_htm.xml | 1192335 | 2023-10-26 15:02:11 |
| gmt-20230930_lab.xml | 470979 | 2023-10-26 15:02:11 |
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| report.css | 2767 | 2023-10-26 15:02:11 |
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