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Stockholders' Equity (Details Textual) - USD ($) |  |  |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Sep. 11, 2017 | Aug. 05, 2016 | Aug. 10, 2015 | Nov. 18, 2016 | Aug. 31, 2015 | Aug. 29, 2015 | Jul. 31, 2015 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from Stock Options Exercised |  |  |  |  |  |  |  | $ 166,000 | $ 814,000 | $ 41,000
Proceeds from Issuance or Sale of Equity |  |  |  | $ 23,300,000 |  |  |  | 6,358,000 | 1,509,000 | 0
Stock Issued During Period, Value, New Issues |  |  |  |  |  |  |  |  | 24,384,000 | 42,643,000
Proceeds from Issuance of Convertible Preferred Stock |  |  |  |  |  |  |  | 11,953,000 | 0 | 0
Preferred Stock Dividends, Income Statement Impact |  |  |  |  |  |  |  | 6,962,000 | 0 | 0
Dividends Payable, Current |  |  |  |  |  |  |  | 73,000 |  |
Proceeds from Issuance of Common Stock |  |  |  | $ 300,000 |  |  |  | $ 0 | $ 25,000,000 | $ 46,000,000
Series A Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |
Preferred Stock, Redemption Terms | (i) the VWAP (as defined in the Certificate of Designation) for at least twenty (20) trading days in any thirty (30) trading day period is greater than $2.00, subject to adjustment in the case of stock split, stock dividends or the like the Company has the right, after providing notice not less than 6 months prior to the redemption date, to redeem, in whole or in part, on a pro rata basis from all holders thereof based on the number of shares of Series A Preferred Stock then held, the outstanding Series A Preferred Stock, for cash, at a redemption price per share of Series A Preferred Stock of $225.00, subject to appropriate adjustment in the event of any stock dividend, stock split, combination or other similar recapitalization with respect to the Series A Convertible Preferred Stock or (ii) the five year anniversary of the issue date, the Company shall have the right to redeem, in whole or in part, on a pro rata basis from all holders thereof based on the number of shares of Series A Convertible Preferred Stock then held, the outstanding Series A Preferred Stock, for cash, at a redemption price per share equal to the Liquidation Value. |  |  |  |  |  |  |  |  |
Convertible Preferred Stock, Terms of Conversion | (i)a 19.99% blocker provision to comply with NYSE American Listing Rules, (ii)if so elected by the Investor, a 4.99% blocker provision that will prohibit beneficial ownership of more than 4.99% of the outstanding shares of the Companys common stock or voting power at any time, and (iii)applicable regulatory restrictions. |  |  |  |  |  |  |  |  |
Preferred Stock, Dividend Rate, Percentage | 2.00% |  |  |  |  |  |  |  |  |
Preferred Stock Conversion Price Per Share | $ 0.54 |  |  |  |  |  |  |  |  |
Fbr Capital Markets Co [Member] |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  | 900,628 |  |  |  |  |  | 11,000,000 |  |
Proceeds from Issuance of Common Stock for Exclusive Channel Collaboration Agreement |  | $ 1,550,197 |  |  |  |  |  |  |  |
Stock Issued During Period, Value, New Issues |  | $ 40,000,000 |  |  |  |  |  |  |  |
Brokerage Commission percentage |  | 3.00% |  |  |  |  |  |  |  |
Proceeds from Issuance of Common Stock |  |  |  |  |  |  |  | $ 6,400,000 |  |
Series B Warrants [Member] |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |
Investment Warrants Expiration Date1 |  |  |  | Dec. 31, 2017 |  |  |  | Dec. 31, 2017 |  |
Channel Collaboration Agreement [Member] |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |
Shares, Issued |  |  | 937,500 |  |  |  |  |  |  |
Stock Issued |  |  | $ 3,000,000 |  |  |  |  |  |  |
Stock Purchase Agreement [Member] |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |
Conversion of Stock, Shares Converted |  |  |  |  |  | 1,350,000 |  |  |  |
Conversion of Stock, Shares Issued |  |  |  |  | 1,350,000 | 1,350,000 |  |  |  |
Employee Stock Option [Member] |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercises In Period |  |  |  |  |  |  |  | 418,773 | 445,334 | 35,006
Proceeds from Stock Options Exercised |  |  |  |  |  |  |  |  | $ 814,000 | $ 41,000
Prev Abr Llc [Member] |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  |  |  |  |  |  | 655,321
Equity Issued in Business Combination, Fair Value Disclosure |  |  |  |  |  |  |  |  |  | $ 1,350,000
IPO [Member] |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  | 25,000,000 |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  |  | 50,000,000 |  |  |  |  |  |
Sale of Stock, Price Per Share |  |  |  | $ 1.00 |  |  |  |  |  |
IPO [Member] | Series A Warrants [Member] |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  | 1.43 |  |  |  |  |  |
IPO [Member] | Series B Warrants [Member] |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  | $ 1.72 |  |  |  |  |  |
Investment Warrants Expiration Date1 |  |  |  | Dec. 31, 2017 |  |  |  |  |  |
Private Placement [Member] |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  |  |  | 15,333,333 |  |  |
Noninterest Expense Offering Cost |  |  |  |  |  |  | $ 3,400,000 |  |  |
Proceeds from Issuance Initial Public Offering |  |  |  |  |  |  | 42,600,000 |  |  |
Gross Proceeds From Issuance Initial Public Offering |  |  |  |  |  |  | 46,000,000 |  |  |
Stock Issued During Period, Value, New Issues |  |  |  |  |  |  | $ 2,000,000 |  |  |
Shares Issued, Price Per Share |  |  |  |  |  |  | $ 3.00 |  |  |
Private Placement [Member] | Series A Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues | 120,000 |  |  |  |  |  |  |  |  |
Preferred Stock, Par or Stated Value Per Share | $ 0.001 |  |  |  |  |  |  |  |  |
Proceeds from Issuance of Convertible Preferred Stock | $ 12,000,000 |  |  |  |  |  |  |  |  |
Sale of Stock, Consideration Received Per Transaction | $ 100 |  |  |  |  |  |  |  |  |

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