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Subsequent Events (Details Textual) |  |  |  |  | 1 Months Ended | 4 Months Ended | 5 Months Ended | 12 Months Ended |
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Mar. 26, 2018 USD ($) | Mar. 13, 2018 USD ($) shares | Jan. 04, 2018 USD ($) $ / shares shares | Apr. 04, 2017 USD ($) $ / shares shares | Jun. 01, 2018 $ / shares | Apr. 30, 2018 USD ($) a $ / shares shares | Apr. 25, 2018 USD ($) a $ / shares | Mar. 31, 2018 USD ($) | Mar. 30, 2018 USD ($) $ / shares shares | Mar. 19, 2018 USD ($) $ / shares shares | Jan. 31, 2018 USD ($) | Oct. 19, 2017 USD ($) $ / shares shares | Apr. 30, 2018 USD ($) a $ / shares shares | Dec. 31, 2016 USD ($) | Dec. 31, 2017 USD ($) $ / shares shares | May 31, 2018 USD ($)
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Private Placement |  |  |  | $ 3,765,000 |  |  |  |  |  |  |  |  |  | $ 0 | $ 6,254,946 |
Share Price | $ / shares |  |  |  | $ 1.00 |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,169,607 |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.20 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,650,500 |
Scenario, Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Private Placement |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,250,000 |  |  |
Sub Lease Term |  |  |  |  |  | 41 months | 41 months |  |  |  |  |  |  |  |  |
Rent Per Share | $ / shares |  |  |  |  | $ 25.95 | $ 37 | $ 37 |  |  |  |  |  |  |  |  |
Area of Land | a |  |  |  |  |  | 7,457 | 7,457 |  |  |  |  |  | 7,457 |  |  |
Prepaid Rent |  |  |  |  |  | $ 60,249 | $ 60,249 |  |  |  |  |  | $ 60,249 |  |  |
Security Deposit |  |  |  |  |  | 22,992 | $ 22,992 |  |  |  |  |  | 22,992 |  |  |
Cash and Cash Equivalents, at Carrying Value |  |  |  |  |  | $ 257,000 |  |  |  |  |  |  | $ 257,000 |  |  |
Proceeds to be Raised to Fund Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 850,000
Scenario, Forecast [Member] | Warrant One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares |  |  |  |  |  | 736,852 |  |  |  |  |  |  | 736,852 |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares |  |  |  |  |  | $ 0.20 |  |  |  |  |  |  | $ 0.20 |  |  |
Class of Warrant or Right, Outstanding | shares |  |  |  |  |  | 842,117 |  |  |  |  |  |  | 842,117 |  |  |
Scenario, Forecast [Member] | Warrant Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights | shares |  |  |  |  |  | 22.344 |  |  |  |  |  |  | 22.344 |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares |  |  |  |  |  | $ 0.17 |  |  |  |  |  |  | $ 0.17 |  |  |
Class of Warrant or Right, Outstanding | shares |  |  |  |  |  | 25,000 |  |  |  |  |  |  | 25,000 |  |  |
Fourth Avenue, Seattle [Member] | Scenario, Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of Land | a |  |  |  |  |  | 1,500 | 1,500 |  |  |  |  |  | 1,500 |  |  |
Minimum [Member] | Scenario, Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sub Lease Term |  |  |  |  |  | 37 months | 37 months |  |  |  |  |  |  |  |  |
Maximum [Member] | Scenario, Forecast [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sub Lease Term |  |  |  |  |  | 41 months | 41 months |  |  |  |  |  |  |  |  |
Private Placement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues | shares |  |  |  | 3,765,000 |  |  |  |  |  |  |  | 2,391,304 |  |  |  |
Proceeds from Issuance of Private Placement |  |  |  | $ 3,765,000 |  |  |  |  |  |  |  | $ 2,734,205 |  |  |  |
Share Price | $ / shares |  |  |  | $ 1.00 |  |  |  |  |  |  |  | $ 1.15 |  |  |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Private Placement |  |  | $ 3,000,000 |  |  |  |  | $ 1,250,000 | $ 1,250,000 |  | $ 3,000,000 |  |  |  |  |
Share Price | $ / shares |  |  | $ 2.50 |  |  |  |  |  | $ 2.50 |  |  |  |  |  |  |
Investment Company, Committed Capital |  |  |  |  |  |  |  |  |  | $ 4,000,000 |  |  |  |  |  |
Description Of Business Combination Consideration |  |  |  |  |  |  |  |  |  | All of the foregoing acquisition consideration is subject to adjustment if the average monthly unique users across Say Media’s content management system and publishing platform (the “Say Media Platform”) for the 60 days prior to closing is less than 40 million; provided that the 160,000 shares of common stock to be issued to the Say Lender is subject to adjustment if the average credited monthly unique users on the Say Media Platform for the 60 days prior to the maturity date of the Maven Note is less than 70 million. The Letter of Intent contemplates that at closing, $1.5 million will be placed into an indemnity escrow for 24 months, with $750,000 to be released after 12 months. In addition, 15% of shares of Maven common stock to be issued to the stockholders of Say Media and 15% of the shares of Maven common stock to be issued to the Say Lender will be locked-up to satisfy any indemnification claims, with 100% of those shares to be lock-up for a period of 12 months and 50% of those shares to be lock-up for a period of 24 months. Maven has committed to issuing up to a maximum of 4 million additional shares of common stock if the recipients of the equity consideration, if and when they sell their equity after vesting during the 36 months after closing if the sales price achieved is less than $2.50. |  |  |  |  |  |
Subsequent Event [Member] | HubPages [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  | $ 10,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Description Of Reduction In Business Acquisition Consideration |  | The aggregate Merger Consideration to be issued at closing shall be reduced by (i) $1.5 million to be held in escrow to satisfy any indemnification obligations due under the Merger Agreement and (ii) to the extent that a seller-side representation and warranty insurance policy is obtained and bound at closing, 50% of the total premium, underwriting costs, brokerage commissions and other fees and expenses of such policy |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares |  | 2,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Transaction Costs |  | $ 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned |  |  |  |  |  |  |  |  |  | $ 160,000 |  |  |  |  |  |
Subsequent Event [Member] | Affiliate of Say Media [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage Of Interest Issued On Acquisition |  |  |  |  |  |  |  |  |  | 15.00% |  |  |  |  |  |
Subsequent Event [Member] | Say Media [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | shares |  |  |  |  |  |  |  |  |  | 1,751,100 |  |  |  |  |  |
Payments to Fund Long-term Loans to Related Parties | $ 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  |  |  |  |  |  |  |  | $ 6,500,000 |  |  |  |  |  |
Business Combination, Consideration Transferred |  |  |  |  |  |  |  |  |  | 20,000,000 |  |  |  |  |  |
Payments to Acquire Notes Receivable |  |  |  |  |  |  |  |  |  | 1,000,000 |  |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned |  |  |  |  |  |  |  |  |  | $ 9,600,000 |  |  |  |  |  |
Business Acquisition, Share Price | $ / shares |  |  |  |  |  |  |  |  |  | $ 2.50 |  |  |  |  |  |
Stock Issued During Period, Shares, Acquisitions | shares |  |  |  |  |  |  |  |  |  | 2,088,900 |  |  |  |  |  |
Payments To Acquire Short Term Notes Receivable |  |  |  |  |  |  |  |  |  | $ 2,500,000 |  |  |  |  |  |
Percentage Of Interest Issued On Acquisition |  |  |  |  |  |  |  |  |  | 15.00% |  |  |  |  |  |
Subsequent Event [Member] | Private Placement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues | shares |  |  | 1,200,000 |  |  |  |  |  | 500,000 |  |  |  |  |  |  |
Subsequent Event [Member] | Letter of Intent [Member] | Say Media [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Transaction Costs |  |  |  |  |  |  |  |  |  | $ 7,500,000 |  |  |  |  |  |
Subsequent Event [Member] | Maven Note [Member] | Say Media [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition, Transaction Costs |  |  |  |  |  |  |  |  |  | $ 2,900,000 |  |  |  |  |  |

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