Annual report pursuant to Section 13 and 15(d)

Income Taxes (Reconciliation of Statutory Federal Income Tax Rate) (Details)

v2.4.1.9
Income Taxes (Reconciliation of Statutory Federal Income Tax Rate) (Details) (USD $)
10 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Income Taxes [Abstract]      
Expected federal statutory rate   34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
State income taxes, net of federal benefits   4.80%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes 6.58%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
Effect of tax rate changes   3.81%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
Gain on bargain purchase option   2.50%ipdn_EffectiveIncomeTaxRateReconciliationGainOnBargainPurchaseOptionPercent 0.00%ipdn_EffectiveIncomeTaxRateReconciliationGainOnBargainPurchaseOptionPercent
Tax exempt interest income   0.92%us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome 0.32%us-gaap_EffectiveIncomeTaxRateReconciliationTaxExemptIncome
Meals and entertainment   (0.17%)us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment (0.38%)us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAndEntertainment
Dividends received deduction   0.00%us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsDividends 0.12%us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsDividends
Deferred   0.00%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance (20.95%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
Other   0.06%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments 1.26%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments
Effective income tax rate 40.60%us-gaap_EffectiveIncomeTaxRateContinuingOperations 45.92%us-gaap_EffectiveIncomeTaxRateContinuingOperations 20.95%us-gaap_EffectiveIncomeTaxRateContinuingOperations
Net operating loss carryforwards   $ 7,840,400us-gaap_OperatingLossCarryforwards  
Expiration of operating loss carryforwards   Dec. 31, 2023