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7. COMMITMENTS AND CONTINGENCIES (Details Narrative) (EthanolMember, USD $) | Jun. 30, 2013
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EthanolMember |
Open ethanol indexed-price sales commitment | 105,572,000 gallons
Open WDG and syrup fixed-price sales contracts | $ 1,041,000
Open indexed-price sales contracts | 7,000 tons
Fixed-price purchase contract, value | $ 12,749,000
Fixed-price purchase contract, gallons | 129,000 gallons

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- Definition Fixed-price purchase contract, gallons + References No definition available. + Details
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Namespace Prefix: | peix_
Data Type: | xbrli:stringItemType
Balance Type: | na
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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