| Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] |
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Weighted |
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Average |
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Weighted |
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Remaining |
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Aggregate |
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Average |
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Contractual |
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Intrinsic |
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Number of Units |
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Exercise Price |
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Term (in years) |
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Value |
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Outstanding, December 31, 2010 |
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273,859 |
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$ |
1.29 |
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5.51 |
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$ |
- |
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Granted |
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- |
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- |
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- |
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Outstanding, December 31, 2011 |
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273,859 |
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1.29 |
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5.51 |
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- |
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Granted |
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2,056,275 |
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0.96 |
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8.89 |
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Outstanding, December 31, 2012 |
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2,330,134 |
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$ |
0. 96 |
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$ |
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Weighted
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Average
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Weighted
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Remaining
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Aggregate
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Number of
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Average
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Contractual
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Intrinsic
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Units
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Exercise Price
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Term (in years)
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Value
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Outstanding, December 31, 2012
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2,330,134 |
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$ |
0.96 |
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8.91 |
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$ |
685,800 |
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Cancellation
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(49,950 |
) |
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Outstanding, March 31, 2013
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2,280,184 |
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$ |
0.96 |
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8.42 |
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$ |
1,609,035 |
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Weighted
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Average
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Weighted
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Remaining
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Aggregate
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Number of
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Average
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Contractual
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Intrinsic
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Units
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Exercise Price
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Term (in years)
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Value
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Outstanding, December 31, 2012
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12,770,636 |
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$ |
0.97 |
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4.48 |
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$ |
6,114,768 |
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Warrants
exercised
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(2,211,158 |
) |
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1.65 |
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Warrants expired
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(1,023,784 |
) |
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1.65 |
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Outstanding, June 30, 2013
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9,535,694 |
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$ |
0.77 |
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5.34 1 |
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$ |
9,691,302 |
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