Parent Directory| Name | Size | Last Modified |
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| 0001477932-22-004824-index.html | 2022-07-01 16:43:50 | |
| 0001477932-22-004824.txt | 2022-07-01 16:43:50 | |
 0001477932-22-004824-xbrl.zip | 156307 | 2022-07-01 16:43:50 |
| FilingSummary.xml | 1847 | 2022-07-01 16:43:50 |
| Financial_Report.xlsx | 5589 | 2022-07-01 16:43:50 |
| grvi-20220628.xsd | 5720 | 2022-07-01 16:43:50 |
| grvi-20220628_cal.xml | 898 | 2022-07-01 16:43:50 |
| grvi-20220628_def.xml | 2099 | 2022-07-01 16:43:50 |
| grvi-20220628_lab.xml | 13164 | 2022-07-01 16:43:50 |
| grvi-20220628_pre.xml | 8246 | 2022-07-01 16:43:50 |
| grvi_8k.htm | 31935 | 2022-07-01 16:43:50 |
| grvi_8k_htm.xml | 3263 | 2022-07-01 16:43:50 |
| grvi_ex101.htm | 305583 | 2022-07-01 16:43:50 |
 grvi_ex101img2.jpg | 11496 | 2022-07-01 16:43:50 |
 grvi_ex101img3.jpg | 10787 | 2022-07-01 16:43:50 |
 grvi_ex101img4.jpg | 11281 | 2022-07-01 16:43:50 |
| grvi_ex102.htm | 234500 | 2022-07-01 16:43:50 |
| grvi_ex103.htm | 113089 | 2022-07-01 16:43:50 |
| grvi_ex104.htm | 75480 | 2022-07-01 16:43:50 |
 grvi_ex104img6.jpg | 7867 | 2022-07-01 16:43:50 |
| grvi_ex105.htm | 161114 | 2022-07-01 16:43:50 |
 grvi_ex105img12.jpg | 6716 | 2022-07-01 16:43:50 |
 grvi_ex105img13.jpg | 3688 | 2022-07-01 16:43:50 |
 grvi_ex105img14.jpg | 3966 | 2022-07-01 16:43:50 |
| grvi_ex991.htm | 7177 | 2022-07-01 16:43:50 |
| MetaLinks.json | 15545 | 2022-07-01 16:43:50 |
| R1.htm | 35479 | 2022-07-01 16:43:50 |
| report.css | 2767 | 2022-07-01 16:43:50 |
| Show.js | 1085 | 2022-07-01 16:43:50 |