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ACQUISITIONS (Details Textual)
12 Months Ended
Dec. 31, 2014
USD ($)
Dec. 31, 2013
Dec. 31, 2014
Selling, General and Administrative Expenses [Member]
USD ($)
Dec. 31, 2014
Goodwill [Member]
Dec. 31, 2014
Universal Air Tool Company Limited [Member]
USD ($)
Dec. 31, 2014
Universal Air Tool Company Limited [Member]
GBP (£)
Business Acquisition [Line Items]            
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 10 years 1 month 6 days 6 years 9 months 18 days   15 years    
Business Combination, Acquisition Related Costs     $ 764,000us-gaap_BusinessCombinationAcquisitionRelatedCosts
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember
     
Business Combination Contingent Consideration Fair Value $ 425,000pfin_BusinessCombinationContingentConsiderationFairValue       $ 425,000pfin_BusinessCombinationContingentConsiderationFairValue
/ us-gaap_BusinessAcquisitionAxis
= pfin_UniversalAirToolCompanyLimitedMember
£ 250,000pfin_BusinessCombinationContingentConsiderationFairValue
/ us-gaap_BusinessAcquisitionAxis
= pfin_UniversalAirToolCompanyLimitedMember