8. Stock options and warrants (Details Narrative) - USD ($) |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2015 |
Sep. 30, 2014 |
Sep. 30, 2015 |
Sep. 30, 2014 |
Dec. 31, 2014 |
|
| Share based compensation | $ 593,732 | $ 596,917 | |||
| Options | |||||
| Options outstanding | 21,706,512 | 21,706,512 | 21,052,030 | ||
| Weighted average remaining contractual life, options outstanding | 5 years 6 months | ||||
| Options granted | 888,552 | ||||
| Fair value of options at grant date | $ 336,767 | ||||
| Aggregate intrinsic value of options outstanding | $ 1,565,000 | 1,565,000 | |||
| Share based compensation | 162,744 | $ 145,403 | 548,619 | 547,016 | |
| Future unamortized compensation expense on unvested outstanding options | 189,957 | 189,957 | |||
| Warrants | |||||
| Share based compensation | 3,816 | $ 14,292 | 45,113 | $ 21,901 | |
| Aggregate intrinsic value of warrants outstanding | 119,667 | 119,667 | |||
| Future unamortized compensation expense on unvested warrants | $ 6,375 | $ 6,375 | |||
| Warrants exercised | 200,000 | ||||
| Proceeds from warrants exercised | $ 50,000 | ||||
| 2004 Stock Option Plan | |||||
| Options outstanding | 3,544,908 | 3,544,908 | 3,544,908 | ||
| X | ||||||||||
- Definition Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation. No definition available.
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- Definition Unrecognized cost of unvested options awarded to employees as compensation. No definition available.
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- Definition The cash inflow associated with the amount received from holders exercising their stock warrants. No definition available.
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Number of non-option equity instruments exercised by participants. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Net number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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 Intrinsic value of equity-based compensation awards outstanding. Excludes stock and unit options. No definition available.
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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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- Definition Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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