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Stock Options and Warrants - Schedule of Stock Option Transactions (Details)
 6 Months Ended
Jun. 30, 2016
$ / shares
shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Shares, Outstanding at Beginning of Year | shares 6,037,754
Shares, Granted | shares 30,000
Shares, Exercised | shares (89,690)
Shares, Forfeited or Canceled | shares (158,500)
Shares, Outstanding at End of Period | shares 5,819,564
Shares, Options Exercisable at End of period | shares 5,767,439
Weighted-Average Fair Value of Options Granted During the Period $ 0.14
Weighted-Average Exercise Price, Outstanding at Beginning of Year 0.96
Weighted-Average Exercise Price, Granted 0.10
Weighted-Average Exercise Price, Exercised 0.10
Weighted-Average Exercise Price, Forfeited or Canceled 0.94
Weighted-Average Exercise Price, Outstanding at End of Period 0.97
Weighted-Average Exercise Price, Options Exercisable at End of Period $ 0.98