XML 106 R80.htm IDEA: XBRL DOCUMENT
v3.6.0.2

13. COMMON STOCK AND WARRANTS (Details) - Warrant | 12 Months Ended
--- | ---
Dec. 31, 2016 $ / shares $ / Warrant shares | Dec. 31, 2015 $ / shares $ / Warrant shares | Dec. 31, 2014 $ / shares $ / Warrant shares
Number of Shares |  |  |
Begining Balance | shares | 382,000 | 856,000 | 8,275,000
Warrants exercised | shares | (138,000) | (42,000) | (6,615,000)
Warrants expired | shares |  | (432,000) | (804,000)
Ending Balance | shares | 244,000 | 382,000 | 856,000
Price per Share |  |  |
Warrants exercised | $ / Warrant | 8.43 | 8.85 |
Warrants expired | $ / Warrant |  | 8.85 | 5.47
Weighted Average Exercise Price |  |  |
Begining Balance | $ 70.87 | $ 36.55 | $ 10.04
Warrants exercised | 8.43 | 8.85 | 7.17
Warrants expired |  | 8.85 | 5.47
Ending Balance | 106.22 | 70.87 | 36.55
Minimum [Member] |  |  |
Price per Share |  |  |
Begining Balance | $ 6.09 | 6.09 | $ 5.47
Warrants exercised | $ / Warrant | 6.09 |  | 6.09
Ending Balance | $ 6.09 | 6.09 | $ 6.09
Maximum [Member] |  |  |
Price per Share |  |  |
Begining Balance | $ 735.00 | $ 735.00 | $ 735.00
Warrants exercised | $ / Warrant | 8.85 | 8.85 | 8.85
Warrants expired | $ / Warrant | 5.47 | 8.85 | 745.50
Ending Balance | $ 735.00 | $ 735.00 | $ 735.00

X
- Definition Warrant per price exercised + References No definition available. + Details
Name: | peix_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRightsExercised
Namespace Prefix: | peix_
Data Type: | us-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | peix_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRightsExpired
Namespace Prefix: | peix_
Data Type: | us-types:perUnitItemType
Balance Type: | na
Period Type: | duration

X
- Definition Exercise price per share + References No definition available. + Details
Name: | peix_ExercuisePricePerShareAbstract
Namespace Prefix: | peix_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Warrants exercised + References No definition available. + Details
Name: | peix_WarrantsExercised
Namespace Prefix: | peix_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Warrants expired + References No definition available. + Details
Name: | peix_WarrantsExpired
Namespace Prefix: | peix_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average exercise price warrants exercised + References No definition available. + Details
Name: | peix_WeightedAverageExercisePriceWarrantsExercised
Namespace Prefix: | peix_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | peix_WeightedAverageExercisePriceWarrantsExpired
Namespace Prefix: | peix_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average exercise price warrants outstanding + References No definition available. + Details
Name: | peix_WeightedAverageExercisePriceWarrantsOutstanding
Namespace Prefix: | peix_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)(4)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
Name: | us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePriceRollforward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ClassOfWarrantOrRightAxis=us-gaap_WarrantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |