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Common Shares, Preferred Shares and Warrants - Additional Information (Detail) |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 12 Months Ended |
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Mar. 11, 2016 shares | Feb. 22, 2016 shares | Dec. 08, 2015 USD ($) shares | Nov. 16, 2015 USD ($) $ / shares shares | Jul. 28, 2015 USD ($) $ / shares shares | Mar. 21, 2015 $ / shares shares | Mar. 19, 2015 | Dec. 31, 2015 Firm $ / shares shares | Jun. 30, 2015 shares | Dec. 31, 2014 $ / shares shares | Dec. 31, 2015 Firm $ / shares shares | Dec. 31, 2014 $ / shares shares | Oct. 13, 2014
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reverse stock split ratio |  |  |  |  |  |  |  | 0.2 |  |  |  |  |  | 0.2 |  | 0.2 |  |
Reverse stock split description |  |  |  |  |  |  |  |  |  |  |  |  |  | 1-for-5 |  |  |  |
Common share, converted |  |  |  |  |  |  | 4,016,846 |  |  |  |  |  |  |  |  |  |  |
Common share, par value | $ / shares |  |  |  |  |  |  | $ 0.0005 |  | $ 0.0005 | [1] |  | $ 0.0005 | [1] | $ 0.0005 | [1] | $ 0.0005 | [1] |
Number of shares after conversion |  |  |  | 50 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, earn out |  |  |  |  |  |  | 1,800,220 |  |  |  |  |  |  |  |  |  |  |
Number of warrants exercised |  |  |  |  |  |  |  |  |  |  | 28,000 |  |  |  |  |  |  |
Common stock, shares issued |  |  |  |  |  |  | 6,597,155 |  | 15,709,786 | [1] |  | 6,597,155 | [1] | 15,709,786 | [1] | 6,597,155 | [1] |
Common stock, shares outstanding |  |  |  |  |  |  | 6,597,155 |  | 15,709,786 | [1] |  | 6,597,155 | [1] | 15,709,786 | [1] | 6,597,155 | [1] |
Additions as a result of the reverse acquisition, shares |  |  |  |  |  |  | 7,291,299 |  |  |  |  |  |  |  |  |  |  |
Number of preferred stock shares sold |  |  |  |  |  | 1,280,410 |  |  |  |  |  |  |  |  |  |  |  |
Share price | $ / shares |  |  |  |  |  | $ 7.81 |  |  |  |  |  |  |  |  |  |  |  |
Share issue cost | $ |  |  |  |  |  | $ 600,000 |  |  |  |  |  |  |  |  |  |  |  |
Share Price | $ / shares |  |  |  |  |  |  |  |  | $ 7.34 |  |  |  |  | $ 7.34 |  |  |  |
Private Placement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares issued |  |  |  |  |  | 640,205 |  |  |  |  |  |  |  |  |  |  |  |
Warrants to purchase share of common stock |  |  |  |  |  | 0.5 |  |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants | $ / shares |  |  |  |  |  | $ 10.00 |  |  |  |  |  |  |  |  |  |  |  |
Exercisable period for warrants |  |  |  |  |  | 6 months |  |  |  |  |  |  |  |  |  |  |  |
Warrant expiration period |  |  |  |  |  | 36 months |  |  |  |  |  |  |  |  |  |  |  |
Frost Gamma Investments Trust [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares issued |  |  |  |  | 20,990 |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares issued |  |  |  |  |  |  | 2,660,309 |  |  |  |  |  |  |  |  |  |  |
Exercise price of warrants | $ / shares |  |  |  |  | $ 6.67 |  |  |  |  |  |  |  |  |  |  |  |  |
Marlin Capital Investments, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage by Mike Brauser in Marlin Capital Investments LLC |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  | 50.00% |  |  |  | 50.00%
Warrant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of stock |  |  |  |  |  |  |  |  |  |  | 20,122 |  |  |  |  |  |  |
Restricted Common Stock Units RSU [Member] | Directors, Officers and Employees [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued during the period for services |  |  |  |  |  |  |  |  |  |  |  |  |  | 382,300 |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of stock | [1] |  |  |  |  |  |  |  |  |  |  |  |  | 93,500 |  |  |  |
Shares issued during the period for services | [1] |  |  |  |  |  |  |  |  |  |  |  |  | 45,000 |  |  |  |
Number of preferred stock shares sold | [1] |  |  |  |  |  |  |  |  |  |  | 5,312,709 |  |  |  |  |  |
Shares issued upon merger | [1] |  |  |  |  |  |  |  |  |  |  | 284,445 |  |  |  |  |  |
Common Stock [Member] | Two Third-Party Consulting Firms [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued during the period for services |  |  |  |  |  |  |  |  |  |  |  |  |  | 45,000 |  |  |  |
Number of consulting firms | Firm |  |  |  |  |  |  |  |  | 4 |  |  |  |  | 4 |  |  |  |
Restricted Stock Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of restricted stock units outstanding |  |  |  |  |  |  |  |  | 13,721,000 |  |  | 2,960,000 |  | 13,721,000 |  | 2,960,000 |  |
Restricted Stock Units [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Award Vesting Period |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 months |  |  |  |
Restricted Stock Units [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Award Vesting Period |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 years |  |  |  |
Best One Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reverse stock split ratio |  |  |  |  |  |  | 0.2 |  |  |  |  |  |  |  |  |  |  |
Reverse stock split description |  |  |  |  |  |  | 1-for-5 |  |  |  |  |  |  |  |  |  |  |
Common share, converted |  |  |  |  |  |  | 4,016,846 |  |  |  |  |  |  |  |  |  |  |
Common share, no par value | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Best One Inc [Member] | Marlin Capital Investments, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
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] | Warrant [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of restricted stock units outstanding |  |  |  |  |  |  | 28,000 |  |  |  |  |  |  |  |  |  |  |
Warrants assumed in merger |  |  |  |  |  |  | 28,000 |  |  |  |  |  |  |  |  |  |  |
Best One Inc [Member] | Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued upon merger | [1] |  |  |  |  |  |  |  |  |  |  |  |  | 7,291,299 |  |  |  |
Best One Inc [Member] | Restricted Stock Units [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of convertible preferred stock as a result of acquisition |  |  |  |  |  |  | 960,000 |  |  |  |  |  |  | 960,000 |  |  |  |
Best One Inc [Member] | Restricted Stock Units [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Award Vesting Period |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 years |  |  |  |
Best One Inc [Member] | Restricted Stock Units [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Award Vesting Period |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 years |  |  |  |
Best One Inc [Member] | Restricted Stock Units [Member] | Marlin Capital Investments, LLC [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of restricted stock units outstanding |  |  |  |  |  |  | 2,000,000 |  | 2,000,000 |  |  |  |  | 2,000,000 |  |  |  |
Issuance of convertible preferred stock as a result of acquisition |  |  |  |  |  |  | 2,000,000 |  |  |  |  |  |  | 2,000,000 |  |  |  |
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. |  |  |  |
Fluent Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common share, par value | $ / shares |  |  |  |  |  |  |  |  | $ 0.0005 |  |  |  |  | $ 0.0005 |  |  |  |
Convertible Series A Preferred shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares issued |  |  |  |  |  |  | 4,965,302 |  | 4,871,802 | [1] |  | 4,965,302 | [1] | 4,871,802 | [1] | 4,965,302 | [1] |
Preferred stock, par value | $ / shares |  |  |  |  |  |  | $ 0.0001 |  | $ 0.0001 | [1] |  | $ 0.0001 | [1] | $ 0.0001 | [1] | $ 0.0001 | [1] |
Conversion of stock | [1] |  |  |  |  |  |  |  |  |  |  |  |  | (93,500) |  |  |  |
Preferred stock, shares outstanding |  |  |  |  |  |  | 4,965,302 |  | 4,871,802 | [1] |  | 4,965,302 | [1] | 4,871,802 | [1] | 4,965,302 | [1] |
Number of preferred stock shares sold | [1] |  |  |  |  |  |  |  |  |  |  | 4,965,302 |  |  |  |  |  |
Convertible Series A Preferred shares [Member] | Best One Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares issued |  |  |  |  |  |  | 8,000 |  |  |  |  |  |  |  |  |  |  |
Preferred stock, par value | $ / shares |  |  |  |  |  |  | $ 0.001 |  |  |  |  |  |  |  |  |  |  |
Number of shares after conversion |  |  |  |  |  |  | 4,200,511 |  |  |  |  |  |  |  |  |  |  |
Convertible Series B Preferred shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares issued | [1] |  |  |  |  |  |  |  | 450,962 |  |  |  |  | 450,962 |  |  |  |
Preferred stock, par value | $ / shares | [1] |  |  |  |  |  |  |  | $ 0.0001 |  |  |  |  | $ 0.0001 |  |  |  |
Number of shares after conversion |  |  |  |  |  |  | 764,791 |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares outstanding | [1] |  |  |  |  |  |  |  | 450,962 |  |  |  |  | 450,962 |  |  |  |
Convertible Series B Preferred shares [Member] | Best One Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares issued |  |  |  |  |  |  | 1,019,600 |  |  |  |  |  |  |  |  |  |  |
Preferred stock, par value | $ / shares |  |  |  |  |  |  | $ 0.001 |  |  |  |  |  |  |  |  |  |  |
Convertible Series B Preferred shares [Member] | Fluent Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued upon merger | [1] |  |  |  |  |  |  |  |  |  |  |  |  | 300,037 |  |  |  |
Series A Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common share, converted |  |  |  |  |  |  |  |  | 93,500 |  |  |  |  |  |  |  |  |
Conversion of stock |  |  |  |  |  |  |  |  |  |  |  |  |  | 93,500 |  |  |  |
Preferred stock conversion ratio |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |
Series A Preferred Stock [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of convertible preferred stock as a result of acquisition |  | 1,800,220 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of stock |  | 5,719,822 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series A Preferred Stock [Member] | Best One Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock conversion ratio |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |
Shares issued upon merger |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,965,302 |  |  |  |
Series A Preferred Stock [Member] | Best One Inc [Member] | Earnout Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares reserved for future issuance |  |  |  |  |  |  |  |  | 1,800,220 |  |  |  |  | 1,800,220 |  |  |  |
Series B Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares issued |  |  |  | 100 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares after conversion |  |  |  |  |  |  |  |  | 50 |  |  |  |  | 50 |  |  |  |
Number of preferred stock shares sold |  |  |  |  | 29,985 |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of preferred stock | $ |  |  |  |  | $ 10,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common stock shares to purchase warrant |  |  |  |  | 749,625 |  |  |  |  |  |  |  |  |  |  |  |  |
Share Price | $ / shares |  |  |  |  | $ 6.67 |  |  |  |  |  |  |  |  |  |  |  |  |
Shares issued upon merger |  |  |  |  |  |  |  |  |  |  |  |  |  | 450,962 |  |  |  |
Series B Preferred Stock [Member] | Bridge Loan Shares [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares granted | $ |  |  |  | $ 1,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of Bridge Loan Shares | $ |  |  |  | $ 413,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series B Preferred Stock [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common share, converted |  |  | 450,962 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares after conversion |  |  | 22,548,100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ratio of conversion |  |  | 50 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Series B Preferred Stock [Member] | Frost Gamma Investments Trust [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares after conversion |  |  |  |  | 50 |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of preferred stock | $ |  |  |  |  | $ 40,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock shares sold under stock repurchase agreement |  |  |  |  | 119,940 |  |  |  |  |  |  |  |  |  |  |  |  |
Series B Preferred Stock [Member] | Fluent Acquisition [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, par value | $ / shares |  |  |  |  |  |  |  |  | $ 0.0001 |  |  |  |  | $ 0.0001 |  |  |  |
Issuance of convertible preferred stock as a result of acquisition |  |  |  | 300,037 |  |  |  |  |  |  |  |  |  | 300,037 |  |  |  |
Series C Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares after conversion |  |  |  |  |  |  | 480,057 |  |  |  |  |  |  |  |  |  |  |
Series C Convertible Preferred Stock [Member] | Best One Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares issued |  |  |  |  |  |  | 640,000 |  |  |  |  |  |  |  |  |  |  |
Preferred stock, par value | $ / shares |  |  |  |  |  |  | $ 0.001 |  |  |  |  |  |  |  |  |  |  |
Series D Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares after conversion |  |  |  |  |  |  | 2,100,252 |  |  |  |  |  |  |  |  |  |  |
Common shares, subject to an earn out |  |  |  |  |  |  | 900,108 |  |  |  |  |  |  |  |  |  |  |
Series D Convertible Preferred Stock [Member] | Best One Inc [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares issued |  |  |  |  |  |  | 4,000 |  |  |  |  |  |  |  |  |  |  |
Preferred stock, par value | $ / shares |  |  |  |  |  |  | $ 0.001 |  |  |  |  |  |  |  |  |  |  |
[1] | All share data for all periods have been retroactively restated to reflect IDI's 1-for-5 reverse stock split, which was effective on March 19, 2015.

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- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Stock Split -URI http://asc.fasb.org/extlink&oid=6525746 + Details
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