Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001564590-22-019849-index-headers.html | 2022-05-12 16:06:27 | |
| 0001564590-22-019849-index.html | 2022-05-12 16:06:27 | |
| 0001564590-22-019849.txt | 2022-05-12 16:06:27 | |
 0001564590-22-019849-xbrl.zip | 19504 | 2022-05-12 16:06:27 |
| FilingSummary.xml | 1747 | 2022-05-12 16:06:27 |
| Financial_Report.xlsx | 5706 | 2022-05-12 16:06:27 |
| grph-20220512.xsd | 5585 | 2022-05-12 16:06:27 |
| grph-20220512_lab.xml | 20057 | 2022-05-12 16:06:27 |
| grph-20220512_pre.xml | 11933 | 2022-05-12 16:06:27 |
| grph-8k_20220512.htm | 37530 | 2022-05-12 16:06:27 |
| grph-8k_20220512_htm.xml | 3652 | 2022-05-12 16:06:27 |
| grph-ex991_6.htm | 265161 | 2022-05-12 16:06:27 |
| MetaLinks.json | 19845 | 2022-05-12 16:06:27 |
| R1.htm | 42000 | 2022-05-12 16:06:27 |
| report.css | 2767 | 2022-05-12 16:06:27 |
| Show.js | 1084 | 2022-05-12 16:06:27 |