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STOCK-BASED COMPENSATION (Details Textual) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
May 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted Stock or Unit Expense $ 6,000us-gaap_RestrictedStockExpense $ 7,000us-gaap_RestrictedStockExpense  
Incentive Stock Option Plan 2002 [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance 385,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_AwardTypeAxis
= pfin_IncentiveStockOptionPlan2002Member
   
Incentive Stock Option Plan 2012 [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 194,517us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_AwardTypeAxis
= pfin_IncentiveStockOptionPlan2012Member
   
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance 113,500us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_AwardTypeAxis
= pfin_IncentiveStockOptionPlan2012Member
   
Incentive Stock Option Plan 2012 [Member] | Restricted Stock [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance     3,330us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_AwardTypeAxis
= pfin_IncentiveStockOptionPlan2012Member
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RestrictedStockMember
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in dollars per share) $ 7.43us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= pfin_IncentiveStockOptionPlan2012Member
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RestrictedStockMember
   
Restricted Stock or Unit Expense $ 25,000us-gaap_RestrictedStockExpense
/ us-gaap_AwardTypeAxis
= pfin_IncentiveStockOptionPlan2012Member
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RestrictedStockMember
   
Incentive Stock Option Plan 2012 [Member] | Restricted Stock [Member] | Non-employee [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance     666us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
/ us-gaap_AwardTypeAxis
= pfin_IncentiveStockOptionPlan2012Member
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= pfin_NonemployeeMember
/ us-gaap_StatementClassOfStockAxis
= us-gaap_RestrictedStockMember