Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-22-023837-index-headers.html | 2022-11-09 16:07:59 | |
| 0000950170-22-023837-index.html | 2022-11-09 16:07:59 | |
| 0000950170-22-023837.txt | 2022-11-09 16:07:59 | |
 0000950170-22-023837-xbrl.zip | 20796 | 2022-11-09 16:07:59 |
| FilingSummary.xml | 1739 | 2022-11-09 16:07:59 |
| Financial_Report.xlsx | 5792 | 2022-11-09 16:07:59 |
| grph-20221109.htm | 55810 | 2022-11-09 16:07:59 |
| grph-20221109.xsd | 2466 | 2022-11-09 16:07:59 |
| grph-20221109_htm.xml | 5077 | 2022-11-09 16:07:59 |
| grph-20221109_lab.xml | 14572 | 2022-11-09 16:07:59 |
| grph-20221109_pre.xml | 10675 | 2022-11-09 16:07:59 |
| grph-ex99_1.htm | 379762 | 2022-11-09 16:07:59 |
| MetaLinks.json | 18813 | 2022-11-09 16:07:59 |
| R1.htm | 42962 | 2022-11-09 16:07:59 |
| report.css | 2767 | 2022-11-09 16:07:59 |
| Show.js | 1084 | 2022-11-09 16:07:59 |