Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000931148-20-000101-index-headers.html | 2020-08-05 16:33:28 | |
| 0000931148-20-000101-index.html | 2020-08-05 16:33:28 | |
| 0000931148-20-000101.txt | 2020-08-05 16:33:28 | |
 0000931148-20-000101-xbrl.zip | 90044 | 2020-08-05 16:33:28 |
| FilingSummary.xml | 1773 | 2020-08-05 16:33:28 |
| Financial_Report.xlsx | 5496 | 2020-08-05 16:33:28 |
| gti-20200805.htm | 45402 | 2020-08-05 16:33:28 |
| gti-20200805.xsd | 2418 | 2020-08-05 16:33:28 |
| gti-20200805_cal.xml | 709 | 2020-08-05 16:33:28 |
| gti-20200805_def.xml | 1642 | 2020-08-05 16:33:28 |
 gti-20200805_g1.jpg | 84955 | 2020-08-05 16:33:28 |
| gti-20200805_htm.xml | 11404 | 2020-08-05 16:33:28 |
| gti-20200805_lab.xml | 24293 | 2020-08-05 16:33:28 |
| gti-20200805_pre.xml | 12645 | 2020-08-05 16:33:28 |
 image011.jpg | 84955 | 2020-08-05 16:33:28 |
| MetaLinks.json | 17393 | 2020-08-05 16:33:28 |
| newdirectorpressrelease.htm | 6286 | 2020-08-05 16:33:28 |
| R1.htm | 40699 | 2020-08-05 16:33:28 |
| report.css | 2767 | 2020-08-05 16:33:28 |
| Show.js | 1085 | 2020-08-05 16:33:28 |