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| 0001477932-23-001256-index.html | 2023-02-27 17:23:55 | |
| 0001477932-23-001256.txt | 2023-02-27 17:23:55 | |
 0001477932-23-001256-xbrl.zip | 48577 | 2023-02-27 17:23:55 |
| FilingSummary.xml | 12068 | 2023-02-27 17:23:55 |
| Financial_Report.xlsx | 29349 | 2023-02-27 17:23:55 |
| MetaLinks.json | 187192 | 2023-02-27 17:23:55 |
| R1.htm | 48209 | 2023-02-27 17:23:55 |
| R10.htm | 7752 | 2023-02-27 17:23:55 |
| R11.htm | 11530 | 2023-02-27 17:23:55 |
| R12.htm | 9430 | 2023-02-27 17:23:55 |
| R13.htm | 4285 | 2023-02-27 17:23:55 |
| R14.htm | 45460 | 2023-02-27 17:23:55 |
| R15.htm | 4988 | 2023-02-27 17:23:55 |
| R16.htm | 4631 | 2023-02-27 17:23:55 |
| R17.htm | 16716 | 2023-02-27 17:23:55 |
| R18.htm | 8906 | 2023-02-27 17:23:55 |
| R2.htm | 60208 | 2023-02-27 17:23:55 |
| R3.htm | 19258 | 2023-02-27 17:23:55 |
| R4.htm | 45539 | 2023-02-27 17:23:55 |
| R5.htm | 41786 | 2023-02-27 17:23:55 |
| R6.htm | 36480 | 2023-02-27 17:23:55 |
| R7.htm | 6650 | 2023-02-27 17:23:55 |
| R8.htm | 6669 | 2023-02-27 17:23:55 |
| R9.htm | 19001 | 2023-02-27 17:23:55 |
| report.css | 2767 | 2023-02-27 17:23:55 |
| rngc-20221231.xsd | 15164 | 2023-02-27 17:23:55 |
| rngc-20221231_cal.xml | 14238 | 2023-02-27 17:23:55 |
| rngc-20221231_def.xml | 12688 | 2023-02-27 17:23:55 |
| rngc-20221231_lab.xml | 91372 | 2023-02-27 17:23:55 |
| rngc-20221231_pre.xml | 65978 | 2023-02-27 17:23:55 |
| rngr_10q.htm | 290624 | 2023-02-27 17:23:55 |
| rngr_10q_htm.xml | 87218 | 2023-02-27 17:23:55 |
| rngr_ex311.htm | 12954 | 2023-02-27 17:23:55 |
| rngr_ex312.htm | 13178 | 2023-02-27 17:23:55 |
| rngr_ex321.htm | 4060 | 2023-02-27 17:23:55 |
| Show.js | 1085 | 2023-02-27 17:23:55 |