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Subsequent Events (Details Narrative) (USD $)
 1 Months Ended
Feb. 18, 2015
Havelide [Member]  
Shares issued upon acquisition of business 13,333,333us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
Warrants issued upon acquisition 26,666,667us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationWarrantsIssued1
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
Warrants issued upon acquisition, exercise price per share $ 0.25us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SeriesOfIndividuallyImmaterialBusinessAcquisitionsMember
Coalthane [Member]  
Shares issued upon acquisition of business 20,000,000us-gaap_NoncashOrPartNoncashAcquisitionNoncashFinancialOrEquityInstrumentConsiderationSharesIssued1
/ us-gaap_BusinessAcquisitionAxis
= PTRC_CoalthaneMember