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| 0000355811-15-000045-index.html | 2015-08-05 11:00:10 | |
| 0000355811-15-000045.txt | 2015-08-05 11:00:10 | |
 0000355811-15-000045-xbrl.zip | 131294 | 2015-08-05 11:00:10 |
| FilingSummary.xml | 24904 | 2015-08-05 11:00:10 |
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| gntx-20150630.xml | 1117785 | 2015-08-05 11:00:10 |
| gntx-20150630.xsd | 28860 | 2015-08-05 11:00:10 |
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| gntx-20150630_lab.xml | 427795 | 2015-08-05 11:00:10 |
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| gntx06302015-10q.htm | 880428 | 2015-08-05 11:00:10 |
| gntx06302015-exx311.htm | 9432 | 2015-08-05 11:00:10 |
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| report.css | 2767 | 2015-08-05 11:00:10 |
| Show.js | 1410 | 2015-08-05 11:00:10 |