Quarterly report pursuant to Section 13 or 15(d)

13. Equity Transactions (Details 1)

v3.7.0.1
13. Equity Transactions (Details 1)
3 Months Ended
Mar. 31, 2017
$ / shares
shares
Number of Options  
Balance at December 31, 2016 | shares 2,183,723
Shares granted during the period | shares 14,000
Shares exercised during the period | shares 0
Shares forfeited during the period | shares (33,700)
Shares expired during the period | shares (12,950)
Shares outstanding at March 31, 2017 | shares 2,151,073
Shares exercisable at March 31, 2017 | shares 698,821
Weighted Average Exercise Price  
Balance at December 31, 2016 | $ / shares $ 2.56
Shares granted during the period | $ / shares 1.48
Shares exercised during the period | $ / shares 0.00
Shares forfeited during the period | $ / shares 1.73
Shares expired during the period | $ / shares 33.72
Shares outstanding at March 31, 2017 | $ / shares 2.38
Shares exercisable at March 31, 2017 | $ / shares $ 3.97
Weighted Average Remaining Contract Term  
Outstanding at December 31, 2016 8 years 6 months 22 days
Outstanding at March 31, 2017 8 years 3 months 29 days
Exercisable at March 31, 2017 6 years 7 months 28 days