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| 0000355811-16-000088-index.html | 2016-11-04 08:09:04 | |
| 0000355811-16-000088.txt | 2016-11-04 08:09:04 | |
 0000355811-16-000088-xbrl.zip | 152081 | 2016-11-04 08:09:04 |
| FilingSummary.xml | 26575 | 2016-11-04 08:09:04 |
| Financial_Report.xlsx | 54898 | 2016-11-04 08:09:04 |
| gntx-20160930.xml | 1410280 | 2016-11-04 08:09:04 |
| gntx-20160930.xsd | 29101 | 2016-11-04 08:09:04 |
| gntx-20160930_cal.xml | 70271 | 2016-11-04 08:09:04 |
| gntx-20160930_def.xml | 131520 | 2016-11-04 08:09:04 |
| gntx-20160930_lab.xml | 447719 | 2016-11-04 08:09:04 |
| gntx-20160930_pre.xml | 244650 | 2016-11-04 08:09:04 |
| gntx09302016-10q.htm | 998282 | 2016-11-04 08:09:04 |
| gntx09302016-exx311.htm | 9436 | 2016-11-04 08:09:04 |
| gntx09302016-exx312.htm | 9419 | 2016-11-04 08:09:04 |
| gntx09302016-exx32.htm | 6264 | 2016-11-04 08:09:04 |
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| R9.htm | 184603 | 2016-11-04 08:09:04 |
| report.css | 2767 | 2016-11-04 08:09:04 |
| Show.js | 1410 | 2016-11-04 08:09:04 |