Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001091818-25-000050-index-headers.html | 2025-05-06 16:00:55 | |
| 0001091818-25-000050-index.html | 2025-05-06 16:00:55 | |
| 0001091818-25-000050.txt | 2025-05-06 16:00:55 | |
 0001091818-25-000050-xbrl.zip | 60004 | 2025-05-06 16:00:55 |
| ex311.htm | 7918 | 2025-05-06 16:00:55 |
| ex312.htm | 7884 | 2025-05-06 16:00:55 |
| ex321.htm | 2231 | 2025-05-06 16:00:55 |
| ex322.htm | 2256 | 2025-05-06 16:00:55 |
| FilingSummary.xml | 13118 | 2025-05-06 16:00:55 |
| Financial_Report.xlsx | 29420 | 2025-05-06 16:00:55 |
| grhi-20250331.htm | 260830 | 2025-05-06 16:00:55 |
| grhi-20250331.xsd | 15518 | 2025-05-06 16:00:55 |
| grhi-20250331_cal.xml | 21471 | 2025-05-06 16:00:55 |
| grhi-20250331_def.xml | 24497 | 2025-05-06 16:00:55 |
| grhi-20250331_htm.xml | 90079 | 2025-05-06 16:00:55 |
| grhi-20250331_lab.xml | 115334 | 2025-05-06 16:00:55 |
| grhi-20250331_pre.xml | 87078 | 2025-05-06 16:00:55 |
| MetaLinks.json | 293251 | 2025-05-06 16:00:55 |
| R1.htm | 48222 | 2025-05-06 16:00:55 |
| R10.htm | 6850 | 2025-05-06 16:00:55 |
| R11.htm | 12123 | 2025-05-06 16:00:55 |
| R12.htm | 13491 | 2025-05-06 16:00:55 |
| R13.htm | 5963 | 2025-05-06 16:00:55 |
| R14.htm | 5152 | 2025-05-06 16:00:55 |
| R15.htm | 5357 | 2025-05-06 16:00:55 |
| R16.htm | 34150 | 2025-05-06 16:00:55 |
| R17.htm | 6383 | 2025-05-06 16:00:55 |
| R18.htm | 15564 | 2025-05-06 16:00:55 |
| R19.htm | 33468 | 2025-05-06 16:00:55 |
| R2.htm | 67467 | 2025-05-06 16:00:55 |
| R20.htm | 6213 | 2025-05-06 16:00:55 |
| R21.htm | 11760 | 2025-05-06 16:00:55 |
| R3.htm | 12068 | 2025-05-06 16:00:55 |
| R4.htm | 67472 | 2025-05-06 16:00:55 |
| R5.htm | 44281 | 2025-05-06 16:00:55 |
| R6.htm | 32643 | 2025-05-06 16:00:55 |
| R7.htm | 7535 | 2025-05-06 16:00:55 |
| R8.htm | 14688 | 2025-05-06 16:00:55 |
| R9.htm | 13004 | 2025-05-06 16:00:55 |
| report.css | 2767 | 2025-05-06 16:00:55 |
| Show.js | 1085 | 2025-05-06 16:00:55 |