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|---|---|---|
 0001091818-21-000140-index-headers.html | 2021-10-28 15:05:48 | |
| 0001091818-21-000140-index.html | 2021-10-28 15:05:48 | |
| 0001091818-21-000140.txt | 2021-10-28 15:05:48 | |
 0001091818-21-000140-xbrl.zip | 51413 | 2021-10-28 15:05:48 |
| ex31-1.htm | 8228 | 2021-10-28 15:05:48 |
| ex31-2.htm | 8216 | 2021-10-28 15:05:48 |
| ex32-1.htm | 2306 | 2021-10-28 15:05:48 |
| ex32-2.htm | 2315 | 2021-10-28 15:05:48 |
| FilingSummary.xml | 10146 | 2021-10-28 15:05:48 |
| Financial_Report.xlsx | 25205 | 2021-10-28 15:05:48 |
| grhi-20210930.xsd | 15814 | 2021-10-28 15:05:48 |
| grhi-20210930_cal.xml | 14572 | 2021-10-28 15:05:48 |
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| grhi10q0921.htm | 414231 | 2021-10-28 15:05:48 |
| grhi10q0921_htm.xml | 90806 | 2021-10-28 15:05:48 |
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| R1.htm | 48808 | 2021-10-28 15:05:48 |
| R10.htm | 6520 | 2021-10-28 15:05:48 |
| R11.htm | 6289 | 2021-10-28 15:05:48 |
| R12.htm | 11371 | 2021-10-28 15:05:48 |
| R13.htm | 6114 | 2021-10-28 15:05:48 |
| R14.htm | 28564 | 2021-10-28 15:05:48 |
| R15.htm | 6401 | 2021-10-28 15:05:48 |
| R16.htm | 40010 | 2021-10-28 15:05:48 |
| R2.htm | 64582 | 2021-10-28 15:05:48 |
| R3.htm | 10739 | 2021-10-28 15:05:48 |
| R4.htm | 26941 | 2021-10-28 15:05:48 |
| R5.htm | 51120 | 2021-10-28 15:05:48 |
| R6.htm | 41571 | 2021-10-28 15:05:48 |
| R7.htm | 6175 | 2021-10-28 15:05:48 |
| R8.htm | 13515 | 2021-10-28 15:05:48 |
| R9.htm | 14972 | 2021-10-28 15:05:48 |
| report.css | 2767 | 2021-10-28 15:05:48 |
| Show.js | 1085 | 2021-10-28 15:05:48 |