Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Schedule of Warrant Fair Value Assumptions) (Details)

v2.4.1.9
Stock-Based Compensation (Schedule of Warrant Fair Value Assumptions) (Details) (Warrants [Member], Mr. Proman [Member])
1 Months Ended
Sep. 24, 2014
Warrants [Member] | Mr. Proman [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Risk-free interest rate 1.82%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= ipdn_MatthewPromanMember
Expected dividend yield 0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= ipdn_MatthewPromanMember
Expected volatility 41.50%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= ipdn_MatthewPromanMember
Expected term 5 years