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Common Shares and Warrants - Additional Information (Detail) (USD $) | 0 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Mar. 21, 2015 | Mar. 31, 2015 | Dec. 31, 2014
Equity [Line Items] |  |  |
Common stock, converted | 4,016,846 us-gaap_ConversionOfStockSharesConverted1 |  |
Common stock, par value | $ 0.0005 us-gaap_CommonStockParOrStatedValuePerShare | 0.0005 us-gaap_CommonStockParOrStatedValuePerShare | $ 0.0005 us-gaap_CommonStockParOrStatedValuePerShare
Preferred stock, issued |  | 4,965,302 us-gaap_PreferredStockSharesIssued | 4,965,302 us-gaap_PreferredStockSharesIssued
Preferred stock, par value |  | 0.0001 us-gaap_PreferredStockParOrStatedValuePerShare | $ 0.0001 us-gaap_PreferredStockParOrStatedValuePerShare
Preferred stock, earn out | 1,800,220 idi_PreferredStockEarnout |  |
Common stock, shares issued |  | 13,888,454 us-gaap_CommonStockSharesIssued | 6,597,155 us-gaap_CommonStockSharesIssued
Common stock, shares outstanding |  | 13,888,454 us-gaap_CommonStockSharesOutstanding | 6,597,155 us-gaap_CommonStockSharesOutstanding
Employee Stock Option [Member] |  |  |
Equity [Line Items] |  |  |
Number of Assumed equity awards outstanding of acquired entity | 960,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |  |
Best One Inc [Member] | Warrant [Member] |  |  |
Equity [Line Items] |  |  |
Number of Assumed equity awards outstanding of acquired entity | 28,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_BusinessAcquisitionAxis = idi_BestOneIncMember / us-gaap_StatementEquityComponentsAxis = us-gaap_WarrantMember | 28,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_BusinessAcquisitionAxis = idi_BestOneIncMember / us-gaap_StatementEquityComponentsAxis = us-gaap_WarrantMember |
Number of equity awards | 28,000 us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued / us-gaap_BusinessAcquisitionAxis = idi_BestOneIncMember / us-gaap_StatementEquityComponentsAxis = us-gaap_WarrantMember | 28,000 us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued / us-gaap_BusinessAcquisitionAxis = idi_BestOneIncMember / us-gaap_StatementEquityComponentsAxis = us-gaap_WarrantMember |
Best One Inc [Member] | Preferred Shares [Member] |  |  |
Equity [Line Items] |  |  |
Preferred shares issued upon merger |  | 4,905,302 us-gaap_StockIssuedDuringPeriodSharesAcquisitions / us-gaap_BusinessAcquisitionAxis = idi_BestOneIncMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember |
Preferred stock conversion ratio |  | 1 idi_PreferredStockConversionRatio / us-gaap_BusinessAcquisitionAxis = idi_BestOneIncMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember |
Best One Inc [Member] | Restricted Share Units [Member] |  |  |
Equity [Line Items] |  |  |
Number of Assumed equity awards outstanding of acquired entity | 2,000,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember / us-gaap_BusinessAcquisitionAxis = idi_BestOneIncMember |  |
Number of equity awards | 2,000,000 us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued / us-gaap_AwardTypeAxis = us-gaap_RestrictedStockUnitsRSUMember / us-gaap_BusinessAcquisitionAxis = idi_BestOneIncMember |  |
Share Based Compensation Description |  | The RSUs vest annually beginning from October 13, 2015 only if certain performance goals of the Company are met. The shares underlying such RSUs will not be delivered until October 13, 2018, unless there is a change of control of the Company. |
Best One Inc [Member] | Employee Stock Option [Member] |  |  |
Equity [Line Items] |  |  |
Number of equity awards | 960,000 us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_BusinessAcquisitionAxis = idi_BestOneIncMember |  |
Series A Convertible Preferred Stock [Member] |  |  |
Equity [Line Items] |  |  |
Preferred stock, issued | 4,200,511 us-gaap_PreferredStockSharesIssued / us-gaap_StatementClassOfStockAxis = idi_SeriesAConvertiblePreferredStockMember |  |
Preferred stock, par value | $ 0.0001 us-gaap_PreferredStockParOrStatedValuePerShare / us-gaap_StatementClassOfStockAxis = idi_SeriesAConvertiblePreferredStockMember |  |
Series B Convertible Preferred Stock [Member] |  |  |
Equity [Line Items] |  |  |
Preferred stock, issued | 764,791 us-gaap_PreferredStockSharesIssued / us-gaap_StatementClassOfStockAxis = idi_SeriesBConvertiblePreferredStockMember |  |
Series C Convertible Preferred Stock [Member] |  |  |
Equity [Line Items] |  |  |
Preferred stock, issued | 480,057 us-gaap_PreferredStockSharesIssued / us-gaap_StatementClassOfStockAxis = idi_SeriesCConvertiblePreferredStockMember |  |
Series D Convertible Preferred Stock [Member] |  |  |
Equity [Line Items] |  |  |
Common stock, converted | 900,108 us-gaap_ConversionOfStockSharesConverted1 / us-gaap_StatementClassOfStockAxis = idi_SeriesDConvertiblePreferredStockMember |  |
Preferred stock, issued | 2,100,252 us-gaap_PreferredStockSharesIssued / us-gaap_StatementClassOfStockAxis = idi_SeriesDConvertiblePreferredStockMember |  |
Earnout Shares [Member] | Best One Inc [Member] | Preferred Shares [Member] |  |  |
Equity [Line Items] |  |  |
Preferred stock, shares reserved for future issuance |  | 1,800,220 us-gaap_PreferredStockCapitalSharesReservedForFutureIssuance / us-gaap_BusinessAcquisitionAxis = idi_BestOneIncMember / us-gaap_StatementClassOfStockAxis = idi_EarnoutSharesMember / us-gaap_StatementEquityComponentsAxis = us-gaap_PreferredStockMember |
Best One Inc [Member] |  |  |
Equity [Line Items] |  |  |
Common stock, converted | 4,016,846 us-gaap_ConversionOfStockSharesConverted1 / dei_LegalEntityAxis = idi_BestOneIncMember |  |
Common stock no par value | $ 0 us-gaap_CommonStockNoParValue / dei_LegalEntityAxis = idi_BestOneIncMember |  |
Best One Inc [Member] | Series A Convertible Preferred Stock [Member] |  |  |
Equity [Line Items] |  |  |
Preferred stock, issued | 8,000 us-gaap_PreferredStockSharesIssued / dei_LegalEntityAxis = idi_BestOneIncMember / us-gaap_StatementClassOfStockAxis = idi_SeriesAConvertiblePreferredStockMember |  |
Preferred stock, par value | $ 0.001 us-gaap_PreferredStockParOrStatedValuePerShare / dei_LegalEntityAxis = idi_BestOneIncMember / us-gaap_StatementClassOfStockAxis = idi_SeriesAConvertiblePreferredStockMember |  |
Best One Inc [Member] | Series B Convertible Preferred Stock [Member] |  |  |
Equity [Line Items] |  |  |
Preferred stock, issued | 1,019,600 us-gaap_PreferredStockSharesIssued / dei_LegalEntityAxis = idi_BestOneIncMember / us-gaap_StatementClassOfStockAxis = idi_SeriesBConvertiblePreferredStockMember |  |
Preferred stock, par value | $ 0.001 us-gaap_PreferredStockParOrStatedValuePerShare / dei_LegalEntityAxis = idi_BestOneIncMember / us-gaap_StatementClassOfStockAxis = idi_SeriesBConvertiblePreferredStockMember |  |
Best One Inc [Member] | Series C Convertible Preferred Stock [Member] |  |  |
Equity [Line Items] |  |  |
Preferred stock, issued | 640,000 us-gaap_PreferredStockSharesIssued / dei_LegalEntityAxis = idi_BestOneIncMember / us-gaap_StatementClassOfStockAxis = idi_SeriesCConvertiblePreferredStockMember |  |
Preferred stock, par value | $ 0.001 us-gaap_PreferredStockParOrStatedValuePerShare / dei_LegalEntityAxis = idi_BestOneIncMember / us-gaap_StatementClassOfStockAxis = idi_SeriesCConvertiblePreferredStockMember |  |
Best One Inc [Member] | Series D Convertible Preferred Stock [Member] |  |  |
Equity [Line Items] |  |  |
Preferred stock, issued | 4,000 us-gaap_PreferredStockSharesIssued / dei_LegalEntityAxis = idi_BestOneIncMember / us-gaap_StatementClassOfStockAxis = idi_SeriesDConvertiblePreferredStockMember |  |
Preferred stock, par value | $ 0.001 us-gaap_PreferredStockParOrStatedValuePerShare / dei_LegalEntityAxis = idi_BestOneIncMember / us-gaap_StatementClassOfStockAxis = idi_SeriesDConvertiblePreferredStockMember |  |

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