Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-23-008761-index-headers.html | 2023-03-20 16:06:19 | |
| 0000950170-23-008761-index.html | 2023-03-20 16:06:19 | |
| 0000950170-23-008761.txt | 2023-03-20 16:06:19 | |
 0000950170-23-008761-xbrl.zip | 19428 | 2023-03-20 16:06:19 |
| FilingSummary.xml | 1737 | 2023-03-20 16:06:19 |
| Financial_Report.xlsx | 5790 | 2023-03-20 16:06:19 |
| grph-20230320.htm | 54249 | 2023-03-20 16:06:19 |
| grph-20230320.xsd | 2466 | 2023-03-20 16:06:19 |
| grph-20230320_htm.xml | 5077 | 2023-03-20 16:06:19 |
| grph-20230320_lab.xml | 14572 | 2023-03-20 16:06:19 |
| grph-20230320_pre.xml | 10675 | 2023-03-20 16:06:19 |
| grph-ex99_1.htm | 357571 | 2023-03-20 16:06:19 |
| MetaLinks.json | 19405 | 2023-03-20 16:06:19 |
| R1.htm | 42959 | 2023-03-20 16:06:19 |
| report.css | 2767 | 2023-03-20 16:06:19 |
| Show.js | 1084 | 2023-03-20 16:06:19 |