XML 63 R34.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Oil Properties - Additional Infoamation (Detail) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2011
Oil Properties Additional Information [Line Items] |
Proceeds from Sales of Assets, Investing Activities | $ 3,825,000

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

X
- Definition Aggregate cash proceeds received from a combination of transactions that are classified as investing activities in which assets, which may include one or more investments, are sold to third-party buyers. This element can be used by entities to aggregate proceeds from all asset sales that are classified as investing activities. + References No definition available. + Details
Name: | us-gaap_ProceedsFromSalesOfAssetsInvestingActivities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration