XML 57 R45.htm IDEA: XBRL DOCUMENT v2.4.1.9
Note 3 - Marketable Equity Securities (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Note 3 - Marketable Equity Securities (Details) [Line Items]      
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities $ 1,000us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities $ 29,000us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities $ 70,000us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities
Accumulated Other Comprehensive Income (Loss), Net of Tax 6,402,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax 6,160,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax  
Available For Sale Securities Net Unrealized Holding Gain Loss Net Of Tax 237,000ptsi_AvailableForSaleSecuritiesNetUnrealizedHoldingGainLossNetOfTax 1,897,000ptsi_AvailableForSaleSecuritiesNetUnrealizedHoldingGainLossNetOfTax  
Investment Income, Dividend 896,000us-gaap_InvestmentIncomeDividend 781,000us-gaap_InvestmentIncomeDividend 838,000us-gaap_InvestmentIncomeDividend
Trading Securities, Accumulated Gross Recognized Gain 146,000ptsi_TradingSecuritiesAccumulatedGrossRecognizedGain 8,000ptsi_TradingSecuritiesAccumulatedGrossRecognizedGain  
Trading Securities, Accumulated Gross Recognized Loss 0ptsi_TradingSecuritiesAccumulatedGrossRecognizedLoss 0ptsi_TradingSecuritiesAccumulatedGrossRecognizedLoss  
Marketable Securities, Reclassification 0ptsi_MarketableSecuritiesReclassification 0ptsi_MarketableSecuritiesReclassification  
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value 0us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue 0us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue  
Trading Securities Pledged as Collateral 11,723,000us-gaap_TradingSecuritiesPledgedAsCollateral 10,017,000us-gaap_TradingSecuritiesPledgedAsCollateral  
Available-for-sale Securities [Member]      
Note 3 - Marketable Equity Securities (Details) [Line Items]      
Accumulated Other Comprehensive Income (Loss), Net of Tax $ 6,402,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
/ us-gaap_GainLossOnInvestmentsByCategoryAxis
= us-gaap_AvailableforsaleSecuritiesMember
$ 6,160,000us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
/ us-gaap_GainLossOnInvestmentsByCategoryAxis
= us-gaap_AvailableforsaleSecuritiesMember
 
Margin Account Borrowings [Member]      
Note 3 - Marketable Equity Securities (Details) [Line Items]      
Debt, Weighted Average Interest Rate 0.76%us-gaap_DebtWeightedAverageInterestRate
/ us-gaap_FairValueByLiabilityClassAxis
= ptsi_MarginAccountBorrowingsMember
0.76%us-gaap_DebtWeightedAverageInterestRate
/ us-gaap_FairValueByLiabilityClassAxis
= ptsi_MarginAccountBorrowingsMember