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Stock-based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2013
Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract] |
Disclosure of Share-based Payment Awards [Table Text Block] | The following summarizes the changes in common stock options for the three months ended March 31, 2013:
|  | Options |  |  | Weighted Average Exercise Price |
Outstanding at December 31, 2012 |  |  | 3,898,198 |  |  | $ | 1.75 |
Granted |  |  | 150,000 |  |  | $ | 1.00 |
Exercised |  |  | — |  |  |  | N/A |
Forfeited |  |  | — |  |  |  | N/A |
Expired |  |  | — |  |  |  | N/A |
Outstanding at March 31, 2013 |  |  | 4,048,198 |  |  | $ | 1.72 |
Options exercisable at March 31, 2013 |  |  | 1,888,198 |  |  | $ | 1.53 |

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + 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 (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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