Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-003808-index-headers.html | 2023-02-22 16:58:08 | |
| 0000950170-23-003808-index.html | 2023-02-22 16:58:08 | |
| 0000950170-23-003808.txt | 2023-02-22 16:58:08 | |
 0000950170-23-003808-xbrl.zip | 13690 | 2023-02-22 16:58:08 |
| FilingSummary.xml | 1742 | 2023-02-22 16:58:08 |
| Financial_Report.xlsx | 5753 | 2023-02-22 16:58:08 |
| grph-20230216.htm | 68548 | 2023-02-22 16:58:08 |
| grph-20230216.xsd | 2471 | 2023-02-22 16:58:08 |
| grph-20230216_htm.xml | 4860 | 2023-02-22 16:58:08 |
| grph-20230216_lab.xml | 13904 | 2023-02-22 16:58:08 |
| grph-20230216_pre.xml | 11438 | 2023-02-22 16:58:08 |
| grph-ex99_1.htm | 19521 | 2023-02-22 16:58:08 |
 img1455458_0.jpg | 4727 | 2023-02-22 16:58:08 |
| MetaLinks.json | 18948 | 2023-02-22 16:58:08 |
| R1.htm | 41366 | 2023-02-22 16:58:08 |
| report.css | 2767 | 2023-02-22 16:58:08 |
| Show.js | 1085 | 2023-02-22 16:58:08 |