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| 0000355811-16-000063-index.html | 2016-02-23 11:36:38 | |
| 0000355811-16-000063.txt | 2016-02-23 11:36:38 | |
 0000355811-16-000063-xbrl.zip | 248179 | 2016-02-23 11:36:38 |
| FilingSummary.xml | 38702 | 2016-02-23 11:36:38 |
| Financial_Report.xlsx | 89459 | 2016-02-23 11:36:38 |
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| gntx-20151231.xml | 2502344 | 2016-02-23 11:36:38 |
| gntx-20151231.xsd | 49849 | 2016-02-23 11:36:38 |
| gntx-20151231_cal.xml | 96346 | 2016-02-23 11:36:38 |
| gntx-20151231_def.xml | 260174 | 2016-02-23 11:36:38 |
| gntx-20151231_lab.xml | 755338 | 2016-02-23 11:36:38 |
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| gntx12312015-10k.htm | 1808578 | 2016-02-23 11:36:38 |
| gntx12312015-ex1022.htm | 19961 | 2016-02-23 11:36:38 |
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| report.css | 2767 | 2016-02-23 11:36:38 |
| Show.js | 1410 | 2016-02-23 11:36:38 |