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8. FAIR VALUE MEASUREMENTS (Details 3) (Level 3 [Member], USD $) In Thousands, unless otherwise specified | 6 Months Ended
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Jun. 30, 2013
Warrants [Member] |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
Beginning Balance | $ 4,892
Exercises of warrants | (260)
Adjustments to fair value for the period | (2,144)
Ending Balance | 6,717
Warrants [Member] | Issuance In January [Member] |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
Issuance of warrants | 2,657
Warrants [Member] | Issuance In March [Member] |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
Issuance of notes and warrants | 883
Warrants [Member] | Issuance In June [Member] |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
Issuance of notes and warrants | 689
Conversion Features [Member] |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
Beginning Balance |
Conversion of notes | (1,234)
Exercises of warrants |
Adjustments to fair value for the period | 614
Ending Balance | 3,710
Conversion Features [Member] | Issuance In January [Member] |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
Issuance of warrants |
Conversion Features [Member] | Issuance In March [Member] |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
Issuance of notes and warrants | 1,401
Conversion Features [Member] | Issuance In June [Member] |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |
Issuance of notes and warrants | $ 2,929

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- Definition Conversion of notes + References No definition available. + Details
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- Definition Exercises of warrants + References No definition available. + Details
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Namespace Prefix: | peix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Issuance of notes and warrants + References No definition available. + Details
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- Definition Issuance of warrants + References No definition available. + Details
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Namespace Prefix: | peix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
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- Definition Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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