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| 0001091818-24-000027.txt | 2024-03-22 16:00:49 | |
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| ex31_1.htm | 4851 | 2024-03-22 16:00:49 |
| ex31_2.htm | 4819 | 2024-03-22 16:00:49 |
| ex32_1.htm | 1867 | 2024-03-22 16:00:49 |
| ex32_2.htm | 1902 | 2024-03-22 16:00:49 |
| FilingSummary.xml | 12096 | 2024-03-22 16:00:49 |
| Financial_Report.xlsx | 29863 | 2024-03-22 16:00:49 |
| grhi-20231231.xsd | 18071 | 2024-03-22 16:00:49 |
| grhi-20231231_cal.xml | 19797 | 2024-03-22 16:00:49 |
| grhi-20231231_def.xml | 49287 | 2024-03-22 16:00:49 |
| grhi-20231231_lab.xml | 183264 | 2024-03-22 16:00:49 |
| grhi-20231231_pre.xml | 139290 | 2024-03-22 16:00:49 |
| grhi12312310k.htm | 357432 | 2024-03-22 16:00:49 |
| grhi12312310k_htm.xml | 111042 | 2024-03-22 16:00:49 |
| MetaLinks.json | 352527 | 2024-03-22 16:00:49 |
| R1.htm | 64937 | 2024-03-22 16:00:49 |
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| R11.htm | 14606 | 2024-03-22 16:00:49 |
| R12.htm | 7479 | 2024-03-22 16:00:49 |
| R13.htm | 12943 | 2024-03-22 16:00:49 |
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| R17.htm | 7755 | 2024-03-22 16:00:49 |
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| R19.htm | 42946 | 2024-03-22 16:00:49 |
| R2.htm | 62763 | 2024-03-22 16:00:49 |
| R20.htm | 27922 | 2024-03-22 16:00:49 |
| R3.htm | 12053 | 2024-03-22 16:00:49 |
| R4.htm | 48841 | 2024-03-22 16:00:49 |
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| R7.htm | 15099 | 2024-03-22 16:00:49 |
| R8.htm | 8466 | 2024-03-22 16:00:49 |
| R9.htm | 7000 | 2024-03-22 16:00:49 |
| report.css | 2767 | 2024-03-22 16:00:49 |
| Show.js | 1085 | 2024-03-22 16:00:49 |