| Schedule of Debt [Table Text Block] |
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Current
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Long-term
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March
2010 Notes - principal
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$
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-
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$
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4,071,000
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$
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-
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$
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-
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2011
Unit Offering Notes - principal
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-
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-
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-
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1,625,000
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April
2011 Note - principal
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-
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-
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2,000,000
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2,000,000
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Total
convertible notes payable - principal
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-
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4,071,000
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2,000,000
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3,625,000
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March
2010 Notes - unamortized discount
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-
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(117,405
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)
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-
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-
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2011
Unit Offering Notes - unamortized
discount
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-
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-
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-
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(316,610
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)
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April
2011 Note - unamortized discount
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-
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-
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-
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-
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Total
convertible notes payable - unamortized
discount
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-
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(117,405
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)
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-
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(316,610
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)
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March
2010 Notes - net
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-
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3,953,595
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-
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-
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2011
Unit Offering Notes - net
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-
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-
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-
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1,308,390
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April
2011 Note - net
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-
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-
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2,000,000
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2,000,000
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Total
convertible notes payable - net
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$
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-
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$
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3,953,595
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$
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2,000,000
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$
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3,308,390
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