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Warrants and Options (Details Textual) (USD $)
0 Months Ended 12 Months Ended
Jan. 08, 2014
Nov. 08, 2011
Dec. 31, 2014
Dec. 31, 2013
Warrants and Stock Options [Line Items]        
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price   $ 1.25us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number   148,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value   $ 0.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue    
Stock Based Compensation     0us-gaap_AllocatedShareBasedCompensationExpense 0us-gaap_AllocatedShareBasedCompensationExpense
Compensation Expense Recognition Upon Achievement Of Performance Milestones     592,000pdnlb_CompensationExpenseRecognitionUponAchievementOfPerformanceMilestones 592,000pdnlb_CompensationExpenseRecognitionUponAchievementOfPerformanceMilestones
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 1.00us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue  
Warrants Issued For Cancellation Of Deferred Compensation, Shares 1,700,000pdnlb_WarrantsIssuedForCancellationOfDeferredCompensation      
Warrants Issued For Cancellation Of Deferred Compensation, Value 425,000pdnlb_WarrantsIssuedForCancellationOfDeferredCompensationValue      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross   740,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross    
Class of Warrant or Right, Exercise Price of Warrants or Rights     $ 0.10us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1  
Common Class B [Member]        
Warrants and Stock Options [Line Items]        
Warrants Issued For Cancellation Of Deferred Compensation, Shares 1,700,000pdnlb_WarrantsIssuedForCancellationOfDeferredCompensation
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember
     
Warrants Issued For Cancellation Of Deferred Compensation, Value $ 425,000pdnlb_WarrantsIssuedForCancellationOfDeferredCompensationValue
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonClassBMember