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Stock Based Compensation - Summary of Warrant Activity (Details)
 9 Months Ended
Sep. 30, 2018
$ / shares
shares
Number of Shares, Exercisable at end of year 3,074,018
Channel Partner Warrants [Member]  
Number of Shares, outstanding, at beginning of year 1,303,832
Number of Shares, Issued 295,000
Number of Shares, Exercised
Number of Shares, Forfeited (499,824)
Number of Shares, outstanding at end of year 1,099,008
Number of Shares, Exercisable at end of year 261,696
Weighted Average Exercise Price, outstanding, at beginning of year | $ / shares $ 1.48
Weighted Average Exercise Price, Issued | $ / shares 1.74
Weighted Average Exercise Price, Exercised | $ / shares
Weighted Average Exercise Price, Forfeited | $ / shares 1.39
Weighted Average Exercise Price, outstanding, at end of year | $ / shares 1.50
Weighted Average Exercise Price, Exercisable at end of year | $ / shares $ 1.47
Weighted Average Remaining Contractual Life, Outstanding 3 years 9 months 25 days
Weighted Average Remaining Contractual Life, Exercisable 3 years 9 months 22 days