8. Stock options and warrants (Details-Options outstanding and exercisable) - Options - $ / shares |
9 Months Ended | |
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Sep. 30, 2015 |
Dec. 31, 2014 |
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Outstanding Options | ||
Shares | 21,706,512 | 21,052,030 |
Life (Years) | 5 years 6 months | |
Weighted Average Exercise Price | $ .30 | $ .30 |
Exercisable Options | ||
Shares | 20,209,727 | |
Weighted Average Exercise Price | $ .30 | |
$ 0.21 - $ 0.99 [Member] | ||
Outstanding Options | ||
Shares | 21,443,283 | |
Life (Years) | 5 years 6 months | |
Weighted Average Exercise Price | $ .29 | |
Exercisable Options | ||
Shares | 19,946,498 | |
Weighted Average Exercise Price | $ .28 | |
$ 1.00 - $ 1.99 [Member] | ||
Outstanding Options | ||
Shares | 263,229 | |
Life (Years) | 4 years 6 months | |
Weighted Average Exercise Price | $ 1.22 | |
Exercisable Options | ||
Shares | 263,229 | |
Weighted Average Exercise Price | $ 1.22 |
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- Definition Exercisable Options No definition available.
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- Definition Options Outstanding No definition available.
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The number of exercisable share options (fully vested and expected to vest) that may be converted as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average remaining contractual term for option awards outstanding, 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
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