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8. COMMITMENTS AND CONTINGENCIES (Details Narrative) (EthanolMember, USD $) | Sep. 30, 2013
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EthanolMember |
Open ethanol indexed-price sales commitment | 102,600,000
Open WDG and syrup fixed-price sales contracts | $ 134,000
Open indexed-price sales contracts | 2,500 tons
Fixed-price purchase contract, value | $ 14,200,000

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- Definition Fixed-price purchase contract, value + References No definition available. + Details
Name: | peix_FixedpricePurchaseContractValue
Namespace Prefix: | peix_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Open ethanol indexed-price sales commitment + References No definition available. + Details
Name: | peix_OpenEthanolIndexedpriceSalesCommitment
Namespace Prefix: | peix_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | instant

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- Definition Open indexed-price sales contracts + References No definition available. + Details
Name: | peix_OpenIndexedpriceSalesContracts
Namespace Prefix: | peix_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | instant

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- Definition Open WDG and syrup fixed-price sales contracts + References No definition available. + Details
Name: | peix_OpenWdgAndSyrupFixedpriceSalesContracts
Namespace Prefix: | peix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant