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Stockholders' Equity - Schedule of Warrant Activity (Details) - Warrant [Member] - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Outstanding, Beginning balance | 2,645,090 | 2,812,515
Granted during the year |  | 391,667
Lapsed/terminated | (1,214,974) | (559,092)
Outstanding, Ending balance | 1,430,116 | 2,645,090
Exercisable, Ending balance | 1,430,116 | 2,645,090
Outstanding Beginning balance, Weighted Average Exercise Price | $ 10.98 | $ 11.20
Granted, Weighted Average Exercise Price |  | 1.00
Exercised/lapsed/terminated Weighted Average Exercise Price | 19.20 | 5.11
Outstanding, Ending balance, Weighted Average Exercise Price | 4.00 | 10.98
Exercisable Weighted Average Exercise Price | 4.00 | 10.98
Weighted average months remaining | $ 27.9 | $ 24.3

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