Name:	brn_ExpectedAERcashdepositrequired
Namespace Prefix:	brn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The minimum liability management ratio (LMR) required by the Alberta Energy Regulator to be in compliance with the Licensee Liability Rating program

No definition available.

Name:	brn_MinimumrequiredLMRratio
Namespace Prefix:	brn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- References

No definition available.

Name:	brn_OilAndNaturalGasPropertiesLineItems
Namespace Prefix:	brn_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Cash deposit required by the AER relating to the Licensee Liability Rating (LLR) program due to the Liability Management Ratio (LMR) being less than 1.0.

No definition available.

Name:	brn_RequiredAERDeposit
Namespace Prefix:	brn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the sales price per the Purchase and Sales Agreement.

No definition available.

Name:	brn_SalespriceperthePurchaseandSaleAgreement
Namespace Prefix:	brn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The current cash, cash equivalents and investments that are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against short-term borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. Includes current cash equivalents and investments that are similarly restricted as to withdrawal, usage or disposal.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.1)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682