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Commitments and Contingencies (Details 3) (USD $) | 12 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2014 | Dec. 31, 2013 | Jul. 31, 2013
Loss contingencies |  |  |  |
Estimated damage liability that may not be covered by insurance |  |  | $ 393,592 us-gaap_AccruedInsuranceCurrentAndNoncurrent |
Gain on settlement of property damage | 243,592 us-gaap_GainLossRelatedToLitigationSettlement |  |  |
Property damage complaint |  |  |  |
Loss contingencies |  |  |  |
Estimated damage liability that may not be covered by insurance |  |  |  | 393,592 us-gaap_AccruedInsuranceCurrentAndNoncurrent / us-gaap_LitigationCaseAxis = resx_PropertyDamageComplaintFiledByTruckInsuranceExchangeMember
Cash payment made to settle the property damage litigation |  | 150,000 us-gaap_PaymentsForLegalSettlements / us-gaap_LitigationCaseAxis = resx_PropertyDamageComplaintFiledByTruckInsuranceExchangeMember |  |
Gain on settlement of property damage |  | $ 243,592 us-gaap_GainLossRelatedToLitigationSettlement / us-gaap_LitigationCaseAxis = resx_PropertyDamageComplaintFiledByTruckInsuranceExchangeMember |  |

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- Definition Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities to mitigate potential loss from various risks or to satisfy a promise to provide certain coverage's to employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph a -Article 7 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 5 -Article 9 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition The amount of cash paid for the settlement of litigation or for other legal issues during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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