8. Stock options and warrants (Details-Warrants outstanding and exercisable) - Warrants - $ / shares |
9 Months Ended | |
|---|---|---|
Sep. 30, 2015 |
Dec. 31, 2014 |
|
| Outstanding Warrants | ||
| Shares | 3,677,704 | 5,692,087 |
| Life (Years) | 4 months 13 days | |
| Weighted Average Exercise Price | $ .37 | $ .37 |
| Exercisable Warrants | ||
| Shares | 3,467,704 | |
| Weighted Average Exercise Price | $ 0.35 | |
| $0.25 - $0.99 | ||
| Outstanding Warrants | ||
| Shares | 3,577,704 | |
| Life (Years) | 3 years 9 months 18 days | |
| Weighted Average Exercise Price | $ .33 | |
| Exercisable Warrants | ||
| Shares | 3,347,704 | |
| Weighted Average Exercise Price | $ .33 | |
| $1.00 - $1.99 | ||
| Outstanding Warrants | ||
| Shares | 120,000 | |
| Life (Years) | 1 year 4 days | |
| Weighted Average Exercise Price | $ 1.01 | |
| Exercisable Warrants | ||
| Shares | 120,000 | |
| Weighted Average Exercise Price | $ 1.01 |
| X | ||||||||||
- Definition Exercisable Warrants No definition available.
|
| X | ||||||||||
- Definition Outstanding Warrants No definition available.
|
| X | ||||||||||
- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Number of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|