|
5. Stock options and warrants (Narrative) (USD $)
|
9 Months Ended | 187 Months Ended | |
|---|---|---|---|
|
Sep. 30, 2013
|
Sep. 30, 2012
|
Sep. 30, 2013
|
|
| Proceeds from exercise of options | $ 19,500 | ||
| Proceeds from stock and warrants exercised | 6,553,100 | 1,778,443 | 21,051,055 |
|
Options
|
|||
| Option shares available for grant | 2,750,442 | 2,750,442 | |
| Amortization of compensation costs | 1,238,909 | ||
| Future unamortized compensation expense | 4,021,000 | 4,021,000 | |
|
Options | Consultants
|
|||
| Options issued | 36,364 | ||
| Stock compensation costs | 16,592 | ||
|
Options | Employees, Officers and Board Members
|
|||
| Options issued | 171,455 | ||
| Stock compensation costs | 48,796 | ||
|
Warrants
|
|||
| Future unamortized compensation expense | 199,000 | 199,000 | |
|
Warrants | Employee
|
|||
| Amortization of compensation costs | 72,930 | ||
|
Warrants | Consultant
|
|||
| Amortization of compensation costs | $ 85,227 | ||