XML 69 R53.htm IDEA: XBRL DOCUMENT
v3.6.0.2

ASSETS HELD FOR SALE Assets Held for Sale (Details) - USD ($) $ in Thousands | Sep. 30, 2016 | Sep. 30, 2015
--- | --- | ---
ASSETS HELD FOR SALE [Abstract] |  |
Asset held for sale | $ 1,829 | $ 0

X
- Definition ASSETS HELD FOR SALE [Abstract] + References No definition available. + Details
Name: | brn_ASSETSHELDFORSALEAbstract
Namespace Prefix: | brn_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 15 -Paragraph 4 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6390208&loc=d3e400-110220 + Details
Name: | us-gaap_AssetsHeldForSaleNotPartOfDisposalGroupCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant