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Summary of Significant Accounting Policies - Schedule of Net Income (loss) Per Common Share (Details) - shares | 6 Months Ended
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Jun. 30, 2018 | Jun. 30, 2017
Antidilutive securities excluded from computation of earnings per share amount | 17,481,794 | 18,847,550
10% Senior Convertible Notes Payable [Member] |  |
Antidilutive securities excluded from computation of earnings per share amount | 3,698,110 |
8% Convertible Notes Payable [Member] |  |
Antidilutive securities excluded from computation of earnings per share amount | 970,787 |
Redeemable Series G Convertible Preferred Stock [Member] |  |
Antidilutive securities excluded from computation of earnings per share amount | 188,791 | 132,154
Unvested and Forfeitable Restricted Stock Awards [Member] |  |
Antidilutive securities excluded from computation of earnings per share amount | 4,890,857 | 12,517,152
Common Stock Options Including Options Issued in the Form of Warrants [Member] |  |
Antidilutive securities excluded from computation of earnings per share amount | 3,883,003 | 2,004,137
Common Stock Warrants - Channel Partner Program [Member] |  |
Antidilutive securities excluded from computation of earnings per share amount | 1,416,633 | 3,024,500
Common Stock Warrants - Financing [Member] |  |
Antidilutive securities excluded from computation of earnings per share amount | 2,433,613 | 1,169,607

X
- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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