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Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2015
Shareholders' Equity [Abstract] |
Schedule of stock options outstanding and exercisable |
|  |  |  |  | Weighted |  |  |  |  |  |  |  |  |  |
|  |  |  |  | Average |  |  | Weighted |  |  |  |  |  | Weighted |
|  |  |  |  | Remaining |  |  | Average |  |  |  |  |  | Average |
Range of Exercise |  | Number |  |  | Contractual |  |  | Exercise |  |  | Options |  |  | Exercise |
Prices between |  | Outstanding |  |  | Life |  |  | Price |  |  | Exercisable |  |  | Price |
$0.19 - $0.45 |  |  | 7,758,536 |  |  |  | 9.38 |  |  | $ | 0.30 |  |  |  | 1,358,537 |  |  | $ | 0.24 |
$0.46 - $0.79 |  |  | 90,000 |  |  |  | 8.04 |  |  |  | 0.79 |  |  |  | 90,000 |  |  | $ | 0.20 |
$0.80 - $12.25 |  |  | 50,042 |  |  |  | 6.59 |  |  |  | 3.56 |  |  |  | 50,042 |  |  | $ | 3.56 |
|  |  | 7,898,578 |  |  |  | 6.44 |  |  | $ | 0.27
Summary of stock option activity |
|  | Options |  |  | Weighted Average |
|  | Outstanding |  |  | Exercise Price |
Balance, December 31, 2014 |  |  | 5,613,977 |  |  | $ | 1.45 |
Granted |  |  | 7,557,714 |  |  |  | 0.19 |
Exercised |  |  | - |  |  |  | - |
Forfeited or expired |  |  | (5,273,113 | ) |  |  | 0.78 |
Balance, December 31, 2015 |  |  | 7,898,578 |  |  | $ | 0.33 |

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- Definition Tabular disclosure of the number of fully vested share options (or share units) and share options expected to vest at the date of the latest statement of financial position, weighted-average exercise price (or conversion ratio), aggregate intrinsic value (except for nonpublic entities), and weighted-average remaining contractual term for both options (or share units) currently outstanding and options (or share units) exercisable (or convertible). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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