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INCOME TAXES (Details 3) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Income Tax Disclosure [Line Items]    
Balance $ 0us-gaap_UnrecognizedTaxBenefits $ 315,000us-gaap_UnrecognizedTaxBenefits
Additions for tax positions related to current year acquisition 866,000us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions  
Interest accrual 14,000pfin_UnrecognizedTaxBenefitsIncreasesResultingFromInterestAccrual 14,000pfin_UnrecognizedTaxBenefitsIncreasesResultingFromInterestAccrual
Lapse of statute of limitation on uncertain tax position   (329,000)us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
Balance $ 880,000us-gaap_UnrecognizedTaxBenefits $ 0us-gaap_UnrecognizedTaxBenefits