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v2.4.1.9

Stockholder's Equity (Details) (USD $) | 0 Months Ended | 12 Months Ended | 0 Months Ended | 1 Months Ended | 0 Months Ended |
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Jul. 10, 2014 | Jun. 13, 2014 | May 21, 2014 | May 06, 2014 | Apr. 29, 2014 | Dec. 31, 2014 | Dec. 02, 2014 item | Dec. 31, 2014 item | Nov. 30, 2013 item | Oct. 21, 2014 | Dec. 31, 2013 | Jun. 30, 2013
Preferred stock shares authorized |  |  |  |  |  | 5,000,000 us-gaap_PreferredStockSharesAuthorized |  | 5,000,000 us-gaap_PreferredStockSharesAuthorized |  |  |  |
Preferred stock par value |  |  |  |  |  | $ 0.001 us-gaap_PreferredStockParOrStatedValuePerShare |  | 0.001 us-gaap_PreferredStockParOrStatedValuePerShare |  |  |  |
Shares issued |  |  |  |  |  | 12,801,183 resx_StockIssuedDuringPeriodSharesPeriodIncrease |  |  |  |  |  |
Shares issued to creditors pursuant to conversion of outstanding debt |  |  |  |  |  | 274,764 resx_StockIssuedDuringPeriodSharesIssuedToCreditorsInConnectionWithConversionOfOutstandingDebt |  |  |  |  |  |
Shares issued to creditors in settlement of debt |  |  |  |  |  | 160,056 resx_StockIssuedDuringPeriodSharesIssuedToCreditorsInConnectionWithSettlementOfDebt |  |  |  |  |  |
Number of shares issued for settlement of obligation transfer agreement |  |  |  |  |  | 150,000 resx_NumberOfSharesIssuedForSettlementOfObligationTransferAgreement |  |  |  |  |  |
Number of notes payable converted to common stock |  |  |  |  |  | $ 3 resx_DebtInstrumentNumberConvertedIntoSharesOfCommonStock |  |  |  |  |  |
Number of shares issued | 50,000 us-gaap_StockIssuedDuringPeriodSharesNewIssues | 1,778,750 us-gaap_StockIssuedDuringPeriodSharesNewIssues | 872,310 us-gaap_StockIssuedDuringPeriodSharesNewIssues | 3,418,125 us-gaap_StockIssuedDuringPeriodSharesNewIssues | 2,776,500 us-gaap_StockIssuedDuringPeriodSharesNewIssues | 8,895,685 us-gaap_StockIssuedDuringPeriodSharesNewIssues |  |  |  |  |  |
Shares surrendered by ASC |  |  |  |  |  | (99,332)resx_CommonStockSharesSurrenderedPursuantToAmendmentOfSettlementAgreementAndStipulation |  |  |  |  |  |
Number of shares of common stock to be purchased by various institutional and individual accredited investors |  |  |  |  |  | 4,823,766 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights |  | 4,823,766 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights |  |  |  |
Strike price (in dollars per share) |  |  |  |  |  | $ 3.30 us-gaap_SharePrice |  | 3.30 us-gaap_SharePrice |  |  |  | $ 3.00 us-gaap_SharePrice
Proceeds from private placement | 35,600,000 us-gaap_ProceedsFromIssuanceOfPrivatePlacement |  |  |  |  |  |  |  |  |  |  |
Net proceeds from private placement after payment fees | 31,900,000 resx_NetProceedsFromIssuanceOfPrivatePlacement |  |  |  |  |  |  |  |  |  |  |
Placement agent fees paid | 3,600,000 resx_PaymentsOfPlacementAgentFeesInPrivatePlacement |  |  |  |  |  |  |  |  |  |  |
Estimated offering expenses paid | 100,000 resx_PaymentsOfEstimatedOfferingExpensesInPrivatePlacement |  |  |  |  |  |  |  |  |  |  |
Number of shares of common stock for which registration statement is filed for offering and resale of common stock | 11,633,885 resx_NumberOfSharesOfCommonStockForWhichRegistrationStatementIsFiledForOfferingAndResaleOfCommonStock |  |  |  |  |  |  |  |  |  |  |
Loss on settlement of note payable |  |  |  |  |  | 400,016 resx_GainLossOnSettlementOfNotesPayable |  |  |  |  |  |
Loss on related party note payable settlement |  |  |  |  |  | 1,907,772 resx_GainsLossesOnExtinguishmentOfRelatedPartyDebt |  |  |  |  |  |
Shares issued to law firm pursuant to conversion of outstanding debt |  |  |  |  |  | 53,457 resx_StockIssuedDuringPeriodSharesIssuedToLawFirmInConnectionWithConversionOfOutstandingDebt |  |  |  |  |  |
Note payable to a high yield fund |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued in debt conversion |  |  | 259,236 us-gaap_DebtConversionConvertedInstrumentSharesIssued1 / us-gaap_DebtInstrumentAxis = resx_NotePayableToAHighYieldFundMember |  | 259,236 us-gaap_DebtConversionConvertedInstrumentSharesIssued1 / us-gaap_DebtInstrumentAxis = resx_NotePayableToAHighYieldFundMember |  |  |  |  |  |  |
Principal amount of promissory note converted |  |  | 500,000 us-gaap_DebtConversionOriginalDebtAmount1 / us-gaap_DebtInstrumentAxis = resx_NotePayableToAHighYieldFundMember |  |  |  |  |  |  |  |  |
Notes payable to 11 investors |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of promissory note converted |  |  |  |  |  |  | 50,000 us-gaap_DebtConversionOriginalDebtAmount1 / us-gaap_DebtInstrumentAxis = resx_NotesPayableToElevenInvestorsMember |  | 225,000 us-gaap_DebtConversionOriginalDebtAmount1 / us-gaap_DebtInstrumentAxis = resx_NotesPayableToElevenInvestorsMember |  |  |
Number of investors converting debt |  |  |  |  |  |  | 2 resx_DebtInstrumentNumberOfInvestorsConvertingDebt / us-gaap_DebtInstrumentAxis = resx_NotesPayableToElevenInvestorsMember | 2 resx_DebtInstrumentNumberOfInvestorsConvertingDebt / us-gaap_DebtInstrumentAxis = resx_NotesPayableToElevenInvestorsMember | 9 resx_DebtInstrumentNumberOfInvestorsConvertingDebt / us-gaap_DebtInstrumentAxis = resx_NotesPayableToElevenInvestorsMember |  |  |
Notes payable dated July 9, 2012 issued to Investor One |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued in debt conversion |  |  |  |  |  |  | 7,764 us-gaap_DebtConversionConvertedInstrumentSharesIssued1 / us-gaap_DebtInstrumentAxis = resx_NotesPayableToInvestor1Member |  |  |  |  |
Notes payable dated July 9, 2012 issued to Investor Two |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued in debt conversion |  |  |  |  |  |  | 7,764 us-gaap_DebtConversionConvertedInstrumentSharesIssued1 / us-gaap_DebtInstrumentAxis = resx_NotesPayableToInvestor2Member |  |  |  |  |
Investors | Warrants to purchase common stock |  |  |  |  |  |  |  |  |  |  |  |
Term of warrants | 4 years | 4 years | 4 years | 4 years | 4 years | 4 years |  |  |  |  |  |
Number of shares of common stock to be purchased by various institutional and individual accredited investors | 15,000 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 533,625 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 261,693 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 1,025,438 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 832,950 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 2,668,706 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember |  | 2,668,706 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember |  |  |  |
Number of shares of common stock consisted in unit | 1 resx_NumberOfSharesOfCommonStockConsistedInUnit / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 1 resx_NumberOfSharesOfCommonStockConsistedInUnit / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 1 resx_NumberOfSharesOfCommonStockConsistedInUnit / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 1 resx_NumberOfSharesOfCommonStockConsistedInUnit / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 1 resx_NumberOfSharesOfCommonStockConsistedInUnit / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember |  |  |  |  |  |  |
Number of warrants consisted in unit | 0.3 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 0.3 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 0.3 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 0.3 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 0.3 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember |  |  |  |  |  |  |
Strike price (in dollars per share) | $ 4.00 us-gaap_SharePrice / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 4.00 us-gaap_SharePrice / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 4.00 us-gaap_SharePrice / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 4.00 us-gaap_SharePrice / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 4.00 us-gaap_SharePrice / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember |  |  |  |  |  |  |
Exercise price of warrants issued to various institutional and individual accredited investors | $ 4.80 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 4.80 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 4.80 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 4.80 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | 4.80 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember | $ 4.80 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember |  | 4.80 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = us-gaap_InvestorMember |  |  |  |
Placement agent | Warrants to purchase common stock |  |  |  |  |  |  |  |  |  |  |  |
Term of warrants |  |  |  |  |  | 4 years |  |  |  |  |  |
Number of shares of common stock to be purchased by various institutional and individual accredited investors | 5,000 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = resx_PlacementAgentMember | 177,875 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = resx_PlacementAgentMember | 89,731 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = resx_PlacementAgentMember | 341,813 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = resx_PlacementAgentMember | 277,650 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = resx_PlacementAgentMember | 892,069 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = resx_PlacementAgentMember |  | 892,069 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = resx_PlacementAgentMember |  |  |  |
Exercise price of warrants issued to various institutional and individual accredited investors |  |  |  |  |  | $ 4.80 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = resx_PlacementAgentMember |  | 4.80 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = resx_PlacementAgentMember |  |  |  |
A law firm | Warrants to purchase common stock |  |  |  |  |  |  |  |  |  |  |  |
Term of warrants |  |  |  |  |  | 4 years |  |  |  |  |  |
Number of shares of common stock to be purchased by various institutional and individual accredited investors |  | 16,037 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = resx_LawFirmWithOutstandingDebtDueToMember |  |  |  | 16,037 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = resx_LawFirmWithOutstandingDebtDueToMember |  | 16,037 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = resx_LawFirmWithOutstandingDebtDueToMember |  |  |  |
Exercise price of warrants issued to various institutional and individual accredited investors |  |  |  |  |  | $ 4.80 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = resx_LawFirmWithOutstandingDebtDueToMember |  | 4.80 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = resx_LawFirmWithOutstandingDebtDueToMember |  |  |  |
Shares issued to law firm pursuant to conversion of outstanding debt |  | 53,457 resx_StockIssuedDuringPeriodSharesIssuedToLawFirmInConnectionWithConversionOfOutstandingDebt / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_CounterpartyNameAxis = resx_LawFirmWithOutstandingDebtDueToMember |  |  |  |  |  |  |  |  |  |
Chairman of the Board |  |  |  |  |  |  |  |  |  |  |  |
Shares issued to chairman in settlement of outstanding debt |  |  |  |  |  | 546,553 resx_StockIssuedDuringPeriodSharesIssuedToChairmanInConnectionWithSettlementOfOutstandingDebt / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_BoardOfDirectorsChairmanMember |  |  |  |  |  |
Chairman of the Board | Warrants to purchase common stock |  |  |  |  |  |  |  |  |  |  |  |
Number of shares of common stock to be purchased by various institutional and individual accredited investors |  |  |  |  | 351,060 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_BoardOfDirectorsChairmanMember |  |  |  |  |  |  |
Exercise price of warrants issued to various institutional and individual accredited investors |  |  |  |  | 2.00 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_BoardOfDirectorsChairmanMember |  |  |  |  |  |  |
Chairman of the Board | Financing transaction |  |  |  |  |  |  |  |  |  |  |  |
Shares issued to chairman in settlement of outstanding debt |  |  |  |  |  | 546,553 resx_StockIssuedDuringPeriodSharesIssuedToChairmanInConnectionWithSettlementOfOutstandingDebt / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_BoardOfDirectorsChairmanMember |  |  |  |  |  |
Chairman of the Board | Financing transaction | Warrants to purchase common stock |  |  |  |  |  |  |  |  |  |  |  |
Term of warrants |  |  |  |  |  | 4 years |  |  |  |  |  |
Number of shares of common stock to be purchased by various institutional and individual accredited investors |  |  |  |  |  | 351,060 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_BoardOfDirectorsChairmanMember |  | 351,060 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_BoardOfDirectorsChairmanMember |  |  |  |
Exercise price of warrants issued to various institutional and individual accredited investors |  |  |  |  |  | $ 2.00 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_BoardOfDirectorsChairmanMember |  | 2.00 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_BoardOfDirectorsChairmanMember |  |  |  |
Director | Financing transaction | Warrants to purchase common stock |  |  |  |  |  |  |  |  |  |  |  |
Term of warrants |  |  |  |  |  | 4 years |  |  |  |  |  |
Number of shares of common stock to be purchased by various institutional and individual accredited investors |  |  |  |  |  | 75,000 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_DirectorMember |  | 75,000 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_DirectorMember |  |  |  |
Exercise price of warrants issued to various institutional and individual accredited investors |  |  |  |  |  | $ 4.80 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_DirectorMember |  | 4.80 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsMember / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_DirectorMember |  |  |  |
Promissory note | Financing transaction |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of promissory note converted |  |  |  |  |  | 200,000 us-gaap_DebtConversionOriginalDebtAmount1 / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |  |  |  |  |
Promissory note | Chairman of the Board |  |  |  |  |  |  |  |  |  |  |  |
Shares issued to chairman in settlement of outstanding debt |  |  |  |  | 546,553 resx_StockIssuedDuringPeriodSharesIssuedToChairmanInConnectionWithSettlementOfOutstandingDebt / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_BoardOfDirectorsChairmanMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |  |  |  |  |  |
Promissory note | Chairman of the Board | Financing transaction |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of promissory note converted |  |  |  |  | 1,050,000 us-gaap_DebtConversionOriginalDebtAmount1 / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_BoardOfDirectorsChairmanMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember | 1,050,000 us-gaap_DebtConversionOriginalDebtAmount1 / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_BoardOfDirectorsChairmanMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |  |  |  |  |
Number of convertible promissory notes converted |  |  |  |  | 4 resx_NumberOfConvertiblePromissoryNotesConverted / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_BoardOfDirectorsChairmanMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember | 4 resx_NumberOfConvertiblePromissoryNotesConverted / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_BoardOfDirectorsChairmanMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |  |  |  |  |
Loss on related party note payable settlement |  |  |  |  | 1,670,579 resx_GainsLossesOnExtinguishmentOfRelatedPartyDebt / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_BoardOfDirectorsChairmanMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |  |  |  |  |  |
Promissory note | Director | Financing transaction |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued in debt conversion |  |  |  |  |  | 100,000 us-gaap_DebtConversionConvertedInstrumentSharesIssued1 / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_DirectorMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |  |  | 100,000 us-gaap_DebtConversionConvertedInstrumentSharesIssued1 / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_DirectorMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |
Number of shares of common stock to be purchased by various institutional and individual accredited investors |  |  |  |  |  |  |  |  |  | 75,000 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_DirectorMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |
Exercise price of warrants issued to various institutional and individual accredited investors |  |  |  |  |  |  |  |  |  | $ 4.80 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_DirectorMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |
Principal amount of promissory note converted |  |  |  |  |  |  |  |  |  | 200,000 us-gaap_DebtConversionOriginalDebtAmount1 / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_DirectorMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember | 200,000 us-gaap_DebtConversionOriginalDebtAmount1 / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_DirectorMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |
Loss on related party note payable settlement |  |  |  |  |  | $ (257,394)resx_GainsLossesOnExtinguishmentOfRelatedPartyDebt / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_DirectorMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |  |  | $ 257,394 resx_GainsLossesOnExtinguishmentOfRelatedPartyDebt / us-gaap_RelatedPartyTransactionAxis = resx_FinancingTransactionMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = us-gaap_DirectorMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_NotesPayableOtherPayablesMember |  |
Tranche Three Member | Common Stock Warrants Issued 29 April 2014 Member |  |  |  |  |  |  |  |  |  |  |  |
Number of shares of common stock to be purchased by various institutional and individual accredited investors |  |  |  |  |  | 35,000 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsIssued29April2014Member / us-gaap_ShortTermDebtTypeAxis = resx_TrancheThreeMember |  | 35,000 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsIssued29April2014Member / us-gaap_ShortTermDebtTypeAxis = resx_TrancheThreeMember |  |  |  |
Exercise price of warrants issued to various institutional and individual accredited investors |  |  |  |  |  | $ 4.80 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsIssued29April2014Member / us-gaap_ShortTermDebtTypeAxis = resx_TrancheThreeMember |  | 4.80 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsIssued29April2014Member / us-gaap_ShortTermDebtTypeAxis = resx_TrancheThreeMember |  |  |  |
Tranche Three Member | Placement agent | Common Stock Warrants Issued 29 April 2014 Member |  |  |  |  |  |  |  |  |  |  |  |
Number of shares of common stock to be purchased by various institutional and individual accredited investors |  |  |  |  | 35,000 us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsIssued29April2014Member / us-gaap_CounterpartyNameAxis = resx_PlacementAgentMember / us-gaap_ShortTermDebtTypeAxis = resx_TrancheThreeMember |  |  |  |  |  |  |
Exercise price of warrants issued to various institutional and individual accredited investors |  |  |  |  | 4.80 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_ClassOfWarrantOrRightAxis = resx_CommonStockWarrantsIssued29April2014Member / us-gaap_CounterpartyNameAxis = resx_PlacementAgentMember / us-gaap_ShortTermDebtTypeAxis = resx_TrancheThreeMember |  |  |  |  |  |  |
Paloma and VasculoMedics |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued for acquisition (in shares) |  |  |  |  |  | 2,720,000 us-gaap_StockIssuedDuringPeriodSharesAcquisitions / us-gaap_BusinessAcquisitionAxis = resx_PalomaAndVasculoMedicsMember |  |  |  |  |  |

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