Quarterly report pursuant to Section 13 or 15(d)

13. Equity Transactions (Details 1)

v3.7.0.1
13. Equity Transactions (Details 1)
6 Months Ended
Jun. 30, 2017
$ / shares
shares
Number of Options  
Balance at December 31, 2016 | shares 2,183,723
Shares granted during the period | shares 59,450
Shares exercised during the period | shares 0
Shares forfeited during the period | shares (57,138)
Shares expired during the period | shares (25,510)
Shares outstanding at June 30, 2017 | shares 2,160,525
Shares exercisable at June 30, 2017 | shares 712,240
Weighted Average Exercise Price  
Balance at December 31, 2016 | $ / shares $ 2.56
Shares granted during the period | $ / shares 1.55
Shares exercised during the period | $ / shares 0.00
Shares forfeited during the period | $ / shares 1.59
Shares expired during the period | $ / shares 19.28
Shares outstanding at June 30, 2017 | $ / shares 2.36
Shares exercisable at June 30, 2017 | $ / shares $ 3.89
Weighted Average Remaining Contract Term  
Outstanding at December 31, 2016 8 years 6 months 22 days
Outstanding at June 30, 2017 8 years 1 month 24 days
Exercisable at June 30, 2017 6 years 7 months 6 days