XML 26 R37.htm IDEA: XBRL DOCUMENT
v3.3.0.814

6. Oil and Gas Properties (Details-Wells) - Wells | Sep. 30, 2015 | Sep. 30, 2014
--- | --- | ---
Productive oil wells, gross | 341 | 231
Productive oil wells, net | 10.88 | 7.36
North Dakota |  |
Productive oil wells, gross | 336 | 230
Productive oil wells, net | 10.51 | 7.28
Montana |  |
Productive oil wells, gross | 5 | 1
Productive oil wells, net | 0.37 | .08

X
- Definition Productive oil wells net + References No definition available. + Details
Name: | BROG_ProductiveOilWellsNumberOfWellsNet1
Namespace Prefix: | BROG_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition The total number of producing oil wells and oil wells capable of production, in which the entity owns an undivided working interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1208 -Paragraph (a) + Details
Name: | us-gaap_ProductiveOilWellsNumberOfWellsGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_StatementGeographicalAxis=BROG_NorthDakotaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=BROG_MontanaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |