Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000355811-25-000037-index-headers.html | 2025-07-25 08:01:10 | |
| 0000355811-25-000037-index.html | 2025-07-25 08:01:10 | |
| 0000355811-25-000037.txt | 2025-07-25 08:01:10 | |
 0000355811-25-000037-xbrl.zip | 29384 | 2025-07-25 08:01:10 |
| exhibit99106302025.htm | 317277 | 2025-07-25 08:01:10 |
| FilingSummary.xml | 1695 | 2025-07-25 08:01:10 |
 gentex-blacka.jpg | 158578 | 2025-07-25 08:01:10 |
| gntx-20250725.htm | 24223 | 2025-07-25 08:01:10 |
| gntx-20250725.xsd | 1851 | 2025-07-25 08:01:10 |
| gntx-20250725_htm.xml | 2715 | 2025-07-25 08:01:10 |
| gntx-20250725_lab.xml | 21880 | 2025-07-25 08:01:10 |
| gntx-20250725_pre.xml | 12575 | 2025-07-25 08:01:10 |
| MetaLinks.json | 17473 | 2025-07-25 08:01:10 |
| R1.htm | 38094 | 2025-07-25 08:01:10 |
| report.css | 2767 | 2025-07-25 08:01:10 |
| Show.js | 1084 | 2025-07-25 08:01:10 |