Annual report pursuant to Section 13 and 15(d)

3. PROPERTY AND EQUIPMENT (Details Narrative)

v2.4.1.9
3. PROPERTY AND EQUIPMENT (Details Narrative) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Depreciation expense $ 12,712us-gaap_Depreciation $ 11,662us-gaap_Depreciation $ 11,481us-gaap_Depreciation
Property and equpment, gross 209,645us-gaap_PropertyPlantAndEquipmentGross 197,241us-gaap_PropertyPlantAndEquipmentGross  
Idled Facilities [Member]      
Depreciation expense 699us-gaap_Depreciation
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= peix_IdledFacilitiesMember 		2,108us-gaap_Depreciation
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= peix_IdledFacilitiesMember 		2,136us-gaap_Depreciation
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= peix_IdledFacilitiesMember
Assets Held under Capital Leases [Member]      
Depreciation expense 855us-gaap_Depreciation
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_AssetsHeldUnderCapitalLeasesMember 		340us-gaap_Depreciation
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_AssetsHeldUnderCapitalLeasesMember 		 
Property and equpment, gross $ 12,829us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_AssetsHeldUnderCapitalLeasesMember 		$ 12,829us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_AssetsHeldUnderCapitalLeasesMember