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Commitments and Contingencies - Narrative (Details) (USD $) | 12 Months Ended | 0 Months Ended | 12 Months Ended
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Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2012 | Jul. 26, 2012 Frederick M Garcia and Lydia Garcia | Aug. 23, 2012 James H and Kristy S Jones v NGS Sub Corp and Robert S Herlin | Jun. 30, 2014 Employment Contracts item | Jun. 30, 2014 Minimum Employment Contracts | Jun. 30, 2014 Maximum Employment Contracts
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |
Litigation Settlement, Amount |  |  |  | $ 67,000 |  |  |  |
Loss Contingencies Percentage of Overriding Royalty Interest in Delhi Unit Purchased |  |  |  |  | 4.8119% |  |  |
Operating Leases, Rent Expense, Net | 174,229 | 147,233 | 147,233 |  |  |  |  |
Loss Contingency, Number of Senior Executives under Agreement |  |  |  |  |  | 2 |  |
Loss Contingency, Period of Benefits to Employee after Termination |  |  |  |  |  |  | 6 months | 1 year
Loss Contingency, Estimate of Possible Loss |  |  |  |  |  | $ 591,000 |  |

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- Definition Represents the percentage of overriding royalty interest in Delhi Unit purchased by the entity. + References No definition available. + Details
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- Definition Represents the number of senior executives of the entity covered under employment agreement. + References No definition available. + Details
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- Definition Represents the period of benefits, includes payment of base pay and certain medical and disability benefits, after the termination from employment. + References No definition available. + Details
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- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
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