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| 0000355811-18-000022-index.html | 2018-05-04 12:17:22 | |
| 0000355811-18-000022.txt | 2018-05-04 12:17:22 | |
 0000355811-18-000022-xbrl.zip | 199443 | 2018-05-04 12:17:22 |
| FilingSummary.xml | 29379 | 2018-05-04 12:17:22 |
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| gntx-20180504.xsd | 31092 | 2018-05-04 12:17:22 |
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| report.css | 2767 | 2018-05-04 12:17:22 |
| Show.js | 1410 | 2018-05-04 12:17:22 |