Quarterly report pursuant to Section 13 or 15(d)

8. Stock Options and warrants (Tables)

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8. Stock Options and warrants (Tables)
6 Months Ended
Jun. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]  
Stock options outstanding
    Options     Weighted Avg. Exercise Price  
December 31, 2014     21,052,030     $      0.30  
Granted     738,552       0.48  
Exercised            

 
Forfeited     (109,070 )     1.22  
June 30, 2015     21,681,512     $ 0.30  
Options outstanding by Per Share Price
    Outstanding Options   Exercisable Options
Option
Exercise Price
Per Share
  Shares     Life
(Years)
  Weighted
Average Exercise
Price
  Shares     Weighted
Average Exercise
Price
$ 0.21 - $ 0.99     21,418,283     5.8   $0.29     19,846,498     $0.28
$ 1.00 - $ 1.99     263,229     4.7   $1.22     263,229     $1.22
      21,681,512     5.7   $0.30     20,109,727     $0.30
Warrants outstanding
      Warrants     Weighted Avg. Exercise Price  
December 31, 2014     5,692,087     $0.36  
Granted     916,667     0.30  
Exercised     (200,000 )   0.25  
Cancelled     (100,000 )   0.25  
June 30, 2015     6,308,754     $0.36  
Warrants outstanding by Per Share Price
    Outstanding Warrants   Exercisable Warrants
Warrant
Exercise Price
Per Share
  Shares     Life
(Years)
  Weighted
Average Exercise
Price
  Shares     Weighted
Average Exercise
Price
$ 0.25 - $ 0.99     6,188,754     2.4   $0.34     5,928,754     $0.34
$ 1.00 - $ 1.99     120,000     0.5   $1.01     120,000     $1.01
      6,308,754     2.3   $0.36     6,048,754     $0.35