Annual report pursuant to Section 13 and 15(d)

Liquidity, Financial Condition and Management's Plans (Details)

v2.4.1.9
Liquidity, Financial Condition and Management's Plans (Details) (USD $)
0 Months Ended 12 Months Ended
Mar. 08, 2013
Dec. 31, 2014
Dec. 31, 2013
Liquidity, Financial Condition and Management's Plans [Abstract]      
Proceeds from IPO, net of offering costs $ 19,500,000us-gaap_ProceedsFromIssuanceInitialPublicOffering    $ 19,474,565us-gaap_ProceedsFromIssuanceInitialPublicOffering
IPO expenses 1,300,000us-gaap_AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts    
LinkedIn [Member]      
Liquidity, Financial Condition, And Managements Plans [Line Items]      
Amount of fixed quarterly revenue payments owed to company per revenue agreement with customer   500,000ipdn_AmountOfFixedQuarterlyPaymentsOwedToCompanyPerCustomerAgreement
/ us-gaap_MajorCustomersAxis
= ipdn_LinkedinMember
 
Apollo Group [Member]      
Liquidity, Financial Condition, And Managements Plans [Line Items]      
Amount of fixed monthly revenue payments owed to company per revenue agreement with customer   $ 116,667ipdn_AmountOfFixedMonthlyPaymentsOwedToCompanyPerCustomerAgreement
/ us-gaap_MajorCustomersAxis
= ipdn_ApolloGroupMember