XML 15 R25.htm IDEA: XBRL DOCUMENT
v2.4.0.6

INVESTMENTS (Tables) | 3 Months Ended
--- | ---
Dec. 31, 2012
INVESTMENTS |
Summary of investments | A summary of Barnwell’s investments as of December 31, 2012 and September 30, 2012 is as follows:
Investment in two residential parcels |  | $ | 2,331,000 |
Investment in land interest – Lot 4C |  | 50,000 |
Total investments |  | $ | 2,381,000 |

X
- Details
Name: | brn_InvestmentsDisclosureAbstract
Namespace Prefix: | brn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the summary of investment holdings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-12C) -URI http://asc.fasb.org/extlink&oid=6955306&loc=d3e611225-123010 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12C -Article 12 + Details
Name: | us-gaap_SummaryInvestmentHoldingsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration