Parent Directory| Name | Size | Last Modified |
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| 0001091818-26-000055-index.html | 2026-05-06 16:10:53 | |
| 0001091818-26-000055.txt | 2026-05-06 16:10:53 | |
 0001091818-26-000055-xbrl.zip | 68003 | 2026-05-06 16:10:53 |
| ex1001.htm | 33081 | 2026-05-06 16:10:53 |
| ex311.htm | 7918 | 2026-05-06 16:10:53 |
| ex312.htm | 7884 | 2026-05-06 16:10:53 |
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| ex322.htm | 2256 | 2026-05-06 16:10:53 |
| FilingSummary.xml | 14413 | 2026-05-06 16:10:53 |
| grhi-20260331.xsd | 15665 | 2026-05-06 16:10:53 |
| grhi-20260331_cal.xml | 19942 | 2026-05-06 16:10:53 |
| grhi-20260331_def.xml | 32458 | 2026-05-06 16:10:53 |
| grhi-20260331_lab.xml | 112959 | 2026-05-06 16:10:53 |
| grhi-20260331_pre.xml | 93506 | 2026-05-06 16:10:53 |
| grhi-31032026_10q.htm | 242054 | 2026-05-06 16:10:53 |
| grhi-31032026_10q_htm.xml | 87569 | 2026-05-06 16:10:53 |
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| R1.htm | 48222 | 2026-05-06 16:10:53 |
| R10.htm | 13442 | 2026-05-06 16:10:53 |
| R11.htm | 6834 | 2026-05-06 16:10:53 |
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| R13.htm | 13186 | 2026-05-06 16:10:53 |
| R14.htm | 5611 | 2026-05-06 16:10:53 |
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| R18.htm | 6383 | 2026-05-06 16:10:53 |
| R19.htm | 13819 | 2026-05-06 16:10:53 |
| R2.htm | 66540 | 2026-05-06 16:10:53 |
| R20.htm | 31120 | 2026-05-06 16:10:53 |
| R21.htm | 3943 | 2026-05-06 16:10:53 |
| R22.htm | 13362 | 2026-05-06 16:10:53 |
| R23.htm | 6895 | 2026-05-06 16:10:53 |
| R3.htm | 23167 | 2026-05-06 16:10:53 |
| R4.htm | 76448 | 2026-05-06 16:10:53 |
| R5.htm | 41537 | 2026-05-06 16:10:53 |
| R6.htm | 26035 | 2026-05-06 16:10:53 |
| R7.htm | 8479 | 2026-05-06 16:10:53 |
| R8.htm | 8301 | 2026-05-06 16:10:53 |
| R9.htm | 14110 | 2026-05-06 16:10:53 |
| report.css | 2767 | 2026-05-06 16:10:53 |
| Show.js | 1085 | 2026-05-06 16:10:53 |