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| 0000040211-23-000132-index.html | 2023-07-27 16:34:28 | |
| 0000040211-23-000132.txt | 2023-07-27 16:34:28 | |
 0000040211-23-000132-xbrl.zip | 520937 | 2023-07-27 16:34:28 |
| a20230630-exhibit31a.htm | 9670 | 2023-07-27 16:34:28 |
| a20230630-exhibit31b.htm | 9764 | 2023-07-27 16:34:28 |
| a20230630-exhibit32.htm | 7053 | 2023-07-27 16:34:28 |
| FilingSummary.xml | 28239 | 2023-07-27 16:34:28 |
| Financial_Report.xlsx | 80923 | 2023-07-27 16:34:28 |
| gmt-20230630.htm | 1830629 | 2023-07-27 16:34:28 |
| gmt-20230630.xsd | 38661 | 2023-07-27 16:34:28 |
| gmt-20230630_cal.xml | 64328 | 2023-07-27 16:34:28 |
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| gmt-20230630_htm.xml | 1161674 | 2023-07-27 16:34:28 |
| gmt-20230630_lab.xml | 470979 | 2023-07-27 16:34:28 |
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| MetaLinks.json | 659103 | 2023-07-27 16:34:28 |
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| report.css | 2767 | 2023-07-27 16:34:28 |
| Show.js | 1085 | 2023-07-27 16:34:28 |