Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000355811-20-000003-index-headers.html | 2020-01-31 08:01:04 | |
| 0000355811-20-000003-index.html | 2020-01-31 08:01:04 | |
| 0000355811-20-000003.txt | 2020-01-31 08:01:04 | |
 0000355811-20-000003-xbrl.zip | 25184 | 2020-01-31 08:01:04 |
| a8k01312020.htm | 42447 | 2020-01-31 08:01:04 |
| a8k01312020_htm.xml | 4233 | 2020-01-31 08:01:04 |
| exhibit99112312019.htm | 194199 | 2020-01-31 08:01:04 |
| FilingSummary.xml | 1789 | 2020-01-31 08:01:04 |
| Financial_Report.xlsx | 5800 | 2020-01-31 08:01:04 |
 gentexa07.jpg | 714403 | 2020-01-31 08:01:04 |
| gntx-20200131.xsd | 4635 | 2020-01-31 08:01:04 |
| gntx-20200131_cal.xml | 673 | 2020-01-31 08:01:04 |
| gntx-20200131_def.xml | 1523 | 2020-01-31 08:01:04 |
| gntx-20200131_lab.xml | 26142 | 2020-01-31 08:01:04 |
| gntx-20200131_pre.xml | 13629 | 2020-01-31 08:01:04 |
| MetaLinks.json | 18771 | 2020-01-31 08:01:04 |
| R1.htm | 38628 | 2020-01-31 08:01:04 |
| report.css | 2767 | 2020-01-31 08:01:04 |
| Show.js | 1085 | 2020-01-31 08:01:04 |