Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001091818-25-000083-index-headers.html | 2025-08-01 10:43:34 | |
| 0001091818-25-000083-index.html | 2025-08-01 10:43:34 | |
| 0001091818-25-000083.txt | 2025-08-01 10:43:34 | |
 0001091818-25-000083-xbrl.zip | 64189 | 2025-08-01 10:43:34 |
| ex311.htm | 7925 | 2025-08-01 10:43:34 |
| ex312.htm | 7888 | 2025-08-01 10:43:34 |
| ex321.htm | 2191 | 2025-08-01 10:43:34 |
| ex322.htm | 2188 | 2025-08-01 10:43:34 |
| FilingSummary.xml | 13210 | 2025-08-01 10:43:34 |
| grhi-20250630.xsd | 15690 | 2025-08-01 10:43:34 |
| grhi-20250630_10q.htm | 314303 | 2025-08-01 10:43:34 |
| grhi-20250630_10q_htm.xml | 115258 | 2025-08-01 10:43:34 |
| grhi-20250630_cal.xml | 21943 | 2025-08-01 10:43:34 |
| grhi-20250630_def.xml | 24835 | 2025-08-01 10:43:34 |
| grhi-20250630_lab.xml | 117068 | 2025-08-01 10:43:34 |
| grhi-20250630_pre.xml | 88268 | 2025-08-01 10:43:34 |
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| R1.htm | 48223 | 2025-08-01 10:43:34 |
| R10.htm | 6881 | 2025-08-01 10:43:34 |
| R11.htm | 13090 | 2025-08-01 10:43:34 |
| R12.htm | 13686 | 2025-08-01 10:43:34 |
| R13.htm | 6183 | 2025-08-01 10:43:34 |
| R14.htm | 5985 | 2025-08-01 10:43:34 |
| R15.htm | 5358 | 2025-08-01 10:43:34 |
| R16.htm | 36729 | 2025-08-01 10:43:34 |
| R17.htm | 6383 | 2025-08-01 10:43:34 |
| R18.htm | 16477 | 2025-08-01 10:43:34 |
| R19.htm | 34148 | 2025-08-01 10:43:34 |
| R2.htm | 67468 | 2025-08-01 10:43:34 |
| R20.htm | 6436 | 2025-08-01 10:43:34 |
| R21.htm | 13871 | 2025-08-01 10:43:34 |
| R3.htm | 12069 | 2025-08-01 10:43:34 |
| R4.htm | 68931 | 2025-08-01 10:43:34 |
| R5.htm | 46249 | 2025-08-01 10:43:34 |
| R6.htm | 35935 | 2025-08-01 10:43:34 |
| R7.htm | 7722 | 2025-08-01 10:43:34 |
| R8.htm | 15381 | 2025-08-01 10:43:34 |
| R9.htm | 12910 | 2025-08-01 10:43:34 |
| report.css | 2767 | 2025-08-01 10:43:34 |
| Show.js | 1085 | 2025-08-01 10:43:34 |