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Stockholders' Equity (Details) (USD $)
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0 Months Ended | 12 Months Ended | ||
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Mar. 08, 2013
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Dec. 31, 2014
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Dec. 31, 2013
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Apr. 29, 2013
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| Stockholders' Equity [Abstract] | ||||
| Preferred stock, shares authorized | 1,000,000us-gaap_PreferredStockSharesAuthorized | |||
| Common stock, shares authorized | 25,000,000us-gaap_CommonStockSharesAuthorized | 25,000,000us-gaap_CommonStockSharesAuthorized | ||
| Common stock, shares outstanding | 12,719,689us-gaap_CommonStockSharesOutstanding | 6,316,027us-gaap_CommonStockSharesOutstanding | ||
| Stock repurchase program, authorized amount | $ 1,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount1 | |||
| Number of shares repurchased | 8,382us-gaap_TreasuryStockShares | 2,200us-gaap_TreasuryStockShares | ||
| Value of shares repurchased | 37,117us-gaap_TreasuryStockValue | 11,255us-gaap_TreasuryStockValue | ||
| Repurchase of common stock, shares | 6,182us-gaap_TreasuryStockSharesAcquired | |||
| Payments for repurchase of common stock | 25,862us-gaap_PaymentsForRepurchaseOfCommonStock | 11,255us-gaap_PaymentsForRepurchaseOfCommonStock | ||
| Stockholders Equity [Line Items] | ||||
| Net proceeds from initial public offering | 17,717,034us-gaap_StockIssuedDuringPeriodValueNewIssues | |||
| Proceeds from IPO, net of offering costs | 19,500,000us-gaap_ProceedsFromIssuanceInitialPublicOffering | 19,474,565us-gaap_ProceedsFromIssuanceInitialPublicOffering | ||
| IPO [Member] | ||||
| Stockholders Equity [Line Items] | ||||
| Net proceeds from initial public offering, shares |
2,625,000us-gaap_StockIssuedDuringPeriodSharesNewIssues / ipdn_StockholdersEquityAxis = us-gaap_IPOMember |
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| Shares issued, price per share |
$ 8.00us-gaap_EquityIssuancePerShareAmount / ipdn_StockholdersEquityAxis = us-gaap_IPOMember |
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| Net proceeds from initial public offering |
21,000,000us-gaap_StockIssuedDuringPeriodValueNewIssues / ipdn_StockholdersEquityAxis = us-gaap_IPOMember |
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| The maximum underwriters fees expressed as a percentage of gross proceeds from the sale of the firm shares and offering expenses payable by the company |
1.50%ipdn_MaximumUnderwriterFeesPercentage / ipdn_StockholdersEquityAxis = us-gaap_IPOMember |
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| Proceeds from IPO, net of offering costs |
$ 18,100,000us-gaap_ProceedsFromIssuanceInitialPublicOffering / ipdn_StockholdersEquityAxis = us-gaap_IPOMember |
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- Definition
The maximum underwriter fees expressed as a percentage of gross proceeds from the sale of the firm shares and offering expenses payable by the company. No definition available.
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- Details
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- Definition
The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount per share or per unit assigned to the consideration received of equity securities issued for development stage entities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The cash outflow to reacquire common stock during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The cash inflow associated with the amount received from entity's first offering of stock to the public. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of stock repurchase plan authorized. No definition available.
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- Definition
Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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