3. Stock-Based Compensation (Details 1) - $ / shares |
3 Months Ended | |
|---|---|---|
Mar. 31, 2016 |
Mar. 31, 2015 |
|
| Ending Balance | 1,240,000 | |
| Weighted average price per share, ending balance | $ 0.24 | |
| Options | ||
| Beginning Balance | 1,193,000 | 1,264,000 |
| Options granted | 50,000 | 20,000 |
| Options exercised | ||
| Options expired or forfeited | (3,000) | (1,000) |
| Ending Balance | 1,240,000 | 1,283,000 |
| Weighted average price per share, beginning balance | $ 0.24 | $ 0.26 |
| Weighted average price per share, Options granted | $ 0.14 | $ 0.20 |
| Weighted average price per share, Options exercised | ||
| Weighted average exercise price per share, Options expired or forfeited | $ 0.70 | $ 0.24 |
| Weighted average price per share, ending balance | $ 0.24 | $ 0.26 |
| X | ||||||||||
- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average price of options that were either forfeited or expired. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- 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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| X | ||||||||||
- 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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| X | ||||||||||
- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
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| X | ||||||||||
- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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| X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Details
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