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|---|---|---|
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| 0000010048-18-000002-index.html | 2018-02-12 15:09:24 | |
| 0000010048-18-000002.txt | 2018-02-12 15:09:24 | |
 0000010048-18-000002-xbrl.zip | 119016 | 2018-02-12 15:09:24 |
| brn-20171231.xml | 644410 | 2018-02-12 15:09:24 |
| brn-20171231.xsd | 35619 | 2018-02-12 15:09:24 |
| brn-20171231_cal.xml | 73631 | 2018-02-12 15:09:24 |
| brn-20171231_def.xml | 114942 | 2018-02-12 15:09:24 |
| brn-20171231_lab.xml | 447056 | 2018-02-12 15:09:24 |
| brn-20171231_pre.xml | 246812 | 2018-02-12 15:09:24 |
| brn10q123117.htm | 670991 | 2018-02-12 15:09:24 |
| exhibit311123117.htm | 13492 | 2018-02-12 15:09:24 |
| exhibit312123117.htm | 13438 | 2018-02-12 15:09:24 |
| exhibit32123117.htm | 10925 | 2018-02-12 15:09:24 |
| FilingSummary.xml | 24620 | 2018-02-12 15:09:24 |
| Financial_Report.xlsx | 45830 | 2018-02-12 15:09:24 |
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| R9.htm | 69745 | 2018-02-12 15:09:24 |
| report.css | 2767 | 2018-02-12 15:09:24 |
| Show.js | 1410 | 2018-02-12 15:09:24 |