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|---|---|---|
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| 0000010048-22-000006-index.html | 2022-02-11 16:30:23 | |
| 0000010048-22-000006.txt | 2022-02-11 16:30:23 | |
 0000010048-22-000006-xbrl.zip | 233756 | 2022-02-11 16:30:23 |
| brn-20211231.htm | 1218309 | 2022-02-11 16:30:23 |
| brn-20211231.xsd | 51039 | 2022-02-11 16:30:23 |
| brn-20211231_cal.xml | 70889 | 2022-02-11 16:30:23 |
| brn-20211231_def.xml | 224843 | 2022-02-11 16:30:23 |
| brn-20211231_htm.xml | 1120538 | 2022-02-11 16:30:23 |
| brn-20211231_lab.xml | 555507 | 2022-02-11 16:30:23 |
| brn-20211231_pre.xml | 381569 | 2022-02-11 16:30:23 |
| exhibit311123121.htm | 10983 | 2022-02-11 16:30:23 |
| exhibit312123121.htm | 10955 | 2022-02-11 16:30:23 |
| exhibit32123121.htm | 9469 | 2022-02-11 16:30:23 |
| FilingSummary.xml | 34865 | 2022-02-11 16:30:23 |
| Financial_Report.xlsx | 81232 | 2022-02-11 16:30:23 |
| MetaLinks.json | 616539 | 2022-02-11 16:30:23 |
| R1.htm | 53753 | 2022-02-11 16:30:23 |
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| report.css | 2767 | 2022-02-11 16:30:23 |
| Show.js | 1085 | 2022-02-11 16:30:23 |