Annual report pursuant to Section 13 and 15(d)

1. ORGANIZATION AND BASIS OF PRESENTATION (Details-Purchase concentration)

v2.4.1.9
1. ORGANIZATION AND BASIS OF PRESENTATION (Details-Purchase concentration) (Purchases [Member])
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Supplier A [Member]
      
Concentration percentage 26.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfGoodsTotalMember
/ us-gaap_MajorCustomersAxis
= peix_SupplieraMember 		37.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfGoodsTotalMember
/ us-gaap_MajorCustomersAxis
= peix_SupplieraMember 		40.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfGoodsTotalMember
/ us-gaap_MajorCustomersAxis
= peix_SupplieraMember
Supplier B [Memebr]
      
Concentration percentage 15.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfGoodsTotalMember
/ us-gaap_MajorCustomersAxis
= peix_SupplierbMember 		14.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfGoodsTotalMember
/ us-gaap_MajorCustomersAxis
= peix_SupplierbMember 		14.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfGoodsTotalMember
/ us-gaap_MajorCustomersAxis
= peix_SupplierbMember
Supplier C [Memebr]
      
Concentration percentage 12.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfGoodsTotalMember
/ us-gaap_MajorCustomersAxis
= peix_SupplierCMember 		8.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfGoodsTotalMember
/ us-gaap_MajorCustomersAxis
= peix_SupplierCMember 		10.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_CostOfGoodsTotalMember
/ us-gaap_MajorCustomersAxis
= peix_SupplierCMember