Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-016857-index-headers.html | 2022-08-11 16:07:43 | |
| 0000950170-22-016857-index.html | 2022-08-11 16:07:43 | |
| 0000950170-22-016857.txt | 2022-08-11 16:07:43 | |
 0000950170-22-016857-xbrl.zip | 19957 | 2022-08-11 16:07:43 |
| FilingSummary.xml | 1737 | 2022-08-11 16:07:43 |
| Financial_Report.xlsx | 5780 | 2022-08-11 16:07:43 |
| grph-20220811.htm | 53513 | 2022-08-11 16:07:43 |
| grph-20220811.xsd | 2466 | 2022-08-11 16:07:43 |
| grph-20220811_htm.xml | 5077 | 2022-08-11 16:07:43 |
| grph-20220811_lab.xml | 14564 | 2022-08-11 16:07:43 |
| grph-20220811_pre.xml | 10675 | 2022-08-11 16:07:43 |
| grph-ex99_1.htm | 349795 | 2022-08-11 16:07:43 |
| MetaLinks.json | 18805 | 2022-08-11 16:07:43 |
| R1.htm | 43463 | 2022-08-11 16:07:43 |
| report.css | 2767 | 2022-08-11 16:07:43 |
| Show.js | 1084 | 2022-08-11 16:07:43 |