Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000912562-22-000049-index-headers.html | 2022-12-09 13:00:17 | |
| 0000912562-22-000049-index.html | 2022-12-09 13:00:17 | |
| 0000912562-22-000049.txt | 2022-12-09 13:00:17 | |
 0000912562-22-000049-xbrl.zip | 34023 | 2022-12-09 13:00:17 |
| exhibit31amendedandrestate.htm | 153752 | 2022-12-09 13:00:17 |
| FilingSummary.xml | 1704 | 2022-12-09 13:00:17 |
| Financial_Report.xlsx | 5743 | 2022-12-09 13:00:17 |
| MetaLinks.json | 17482 | 2022-12-09 13:00:17 |
| R1.htm | 39677 | 2022-12-09 13:00:17 |
| report.css | 2767 | 2022-12-09 13:00:17 |
| rock-20221209.htm | 33436 | 2022-12-09 13:00:17 |
| rock-20221209.xsd | 2188 | 2022-12-09 13:00:17 |
| rock-20221209_htm.xml | 11043 | 2022-12-09 13:00:17 |
| rock-20221209_lab.xml | 25481 | 2022-12-09 13:00:17 |
| rock-20221209_pre.xml | 13214 | 2022-12-09 13:00:17 |
| Show.js | 1084 | 2022-12-09 13:00:17 |