Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000931148-24-000014-index-headers.html | 2024-01-30 16:34:14 | |
| 0000931148-24-000014-index.html | 2024-01-30 16:34:14 | |
| 0000931148-24-000014.txt | 2024-01-30 16:34:14 | |
 0000931148-24-000014-xbrl.zip | 83093 | 2024-01-30 16:34:14 |
| FilingSummary.xml | 1677 | 2024-01-30 16:34:14 |
| Financial_Report.xlsx | 5700 | 2024-01-30 16:34:14 |
| gti-20240126.htm | 22924 | 2024-01-30 16:34:14 |
| gti-20240126.xsd | 1901 | 2024-01-30 16:34:14 |
 gti-20240126_g1.jpg | 84955 | 2024-01-30 16:34:14 |
| gti-20240126_htm.xml | 2720 | 2024-01-30 16:34:14 |
| gti-20240126_lab.xml | 24157 | 2024-01-30 16:34:14 |
| gti-20240126_pre.xml | 12509 | 2024-01-30 16:34:14 |
| MetaLinks.json | 17086 | 2024-01-30 16:34:14 |
| R1.htm | 38110 | 2024-01-30 16:34:14 |
| report.css | 2767 | 2024-01-30 16:34:14 |
| Show.js | 1084 | 2024-01-30 16:34:14 |