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| 0000040211-16-000082-index.html | 2016-04-25 14:37:59 | |
| 0000040211-16-000082.txt | 2016-04-25 14:37:59 | |
 0000040211-16-000082-xbrl.zip | 165842 | 2016-04-25 14:37:59 |
| FilingSummary.xml | 28788 | 2016-04-25 14:37:59 |
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| gmt-20160331xexhibit31a.htm | 9614 | 2016-04-25 14:37:59 |
| gmt-20160331xexhibit31b.htm | 9656 | 2016-04-25 14:37:59 |
| gmt-20160331xexhibit32.htm | 10352 | 2016-04-25 14:37:59 |
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| gmt-20160331_cal.xml | 84286 | 2016-04-25 14:37:59 |
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| gmt-20160331_lab.xml | 557955 | 2016-04-25 14:37:59 |
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| report.css | 2767 | 2016-04-25 14:37:59 |
| Show.js | 1410 | 2016-04-25 14:37:59 |