| Schedule of warrant activity |
| | | | Number of Warrants | | | Weighted
Average
Exercise Price per Share | | | Weighted Average Contractual Life in Years | | | Aggregate Intrinsic Value | | | | Outstanding – December 31, 2016 | | | 183,737 | | | $ | 7.35 | | | | 2.70 | | | | | | | | Exercisable – December 31, 2016 | | | 171,237 | | | $ | 7.15 | | | | 2.79 | | | $ | 0 | | | | Granted | | | 2,030,000 | | | $ | 1.00 | | | | | | | | | | | | Forfeited or Expired | | | 0 | | | $ | 0 | | | | | | | | | | | | Outstanding – September 30, 2017 | | | 2,213,737 | | | $ | 1.53 | | | | 4.59 | | | $ | 0 | | | | Exercisable – September 30, 2017 | | | 2,213,737 | | | $ | 1.53 | | | | 4.59 | | | $ | 0 | |
|