| Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] | 
|  |  | 
            As
            of December 31, 2012
           |  |  | 
            As
            of March 31, 2013
           |  |  
|  |  | 
            As
            previously
           |  |  |  |  |  |  |  |  |  |  | 
            As
            previously
           |  |  |  |  |  |  |  |  |  |  
|  |  | 
            reported
           |  |  | 
            Adjustment
           |  |  | 
            As
            restated
           |  |  | 
            reported
           |  |  | 
            Adjustment
           |  |  | 
            As
            restated
           |  |  
| 
            Balance
            sheet:
           |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
| 
            Total
            assets
           |  | $ | 5,551,746 |  |  | $ | - |  |  | $ | 5,551,746 |  |  | $ | 13,023,682 |  |  | $ | - |  |  | $ | 13,023,682 |  |  
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
| 
            Current
            liabilities:
           |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
| 
            Derivative
            liabilities
           |  | $ | 789 |  |  | $ | 2,128,302 |  |  | $ | 2,129,091 |  |  | $ | 3,771,310 |  |  | $ | 39,328 |  |  | $ | 3,810,638 |  |  
| 
            All
            other current liabilities
           |  |  | 4,179,186 |  |  |  | - |  |  |  | 4,179,186 |  |  |  | 2,518,349 |  |  |  | - |  |  |  | 2,518,349 |  |  
| 
            Total
            current liabilities
           |  |  | 4,179,975 |  |  |  | 2,128,302 |  |  |  | 6,308,277 |  |  |  | 6,289,659 |  |  |  | 39,328 |  |  |  | 6,328,987 |  |  
| 
            All
            other liabilities
           |  |  | 7,108,872 |  |  |  | - |  |  |  | 7,108,872 |  |  |  | 8,565,829 |  |  |  | - |  |  |  | 8,565,829 |  |  
| 
            Total
            liabilities
           |  |  | 11,288,847 |  |  |  | 2,128,302 |  |  |  | 13,417,149 |  |  |  | 14,855,488 |  |  |  | 39,328 |  |  |  | 14,894,816 |  |  
| 
            Additional
            paid-in capital
           |  |  | 60,953,692 |  |  |  | (1,957,720 | ) |  |  | 58,995,972 |  |  |  | 65,716,715 |  |  |  | 4,999 |  |  |  | 65,721,714 |  |  
| 
            Accumulated
            deficit
           |  |  | (65,495,746 | ) |  |  | (170,582 | ) |  |  | (65,666,328 | ) |  |  | (66,445,749 | ) |  |  | (44,327 | ) |  |  | (66,490,076 | ) |  
| 
            Other
            stockholders' equity
           |  |  | (1,195,047 | ) |  |  | - |  |  |  | (1,195,047 | ) |  |  | (1,102,772 | ) |  |  | - |  |  |  | (1,102,772 | ) |  
| 
            Total
            deficit
           |  |  | (5,737,101 | ) |  |  | (2,128,302 | ) |  |  | (7,865,403 | ) |  |  | (1,831,806 | ) |  |  | (39,328 | ) |  |  | (1,871,134 | ) |  
| 
            Total
            liabilities and stockholders' deficit
           |  | $ | 5,551,746 |  |  | $ | - |  |  | $ | 5,551,746 |  |  | $ | 13,023,682 |  |  | $ | - |  |  | $ | 13,023,682 |  |  | 
| Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] | 
|  |  | 
            Year
            Ended December 31, 2012
           |  |  | 
            Three
            Months Ended March 31, 2013
           |  |  
|  |  | 
            As
            previously
           |  |  |  |  |  |  |  |  |  |  | 
            As
            previously
           |  |  |  |  |  |  |  |  |  |  
|  |  | 
            reported
           |  |  | 
            Adjustment
           |  |  | 
            As
            restated
           |  |  | 
            reported
           |  |  | 
            Adjustment
           |  |  | 
            As
            restated
           |  |  
| 
            Statements
            of operations:
           |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  
| 
            Operating
            loss
           |  | $ | (3,129,278 | ) |  | $ | - |  |  | $ | (3,129,278 | ) |  | $ | (1,367,032 | ) |  | $ | - |  |  | $ | (1,367,032 | ) |  
| 
            Gain
            (loss) on change in fair
            value of derivative liabilities
           |  |  | (789 | ) |  |  | (170,582 | ) |  |  | (171,371 | ) |  |  | 1,497,443 |  |  |  | 126,255 |  |  |  | 1,623,698 |  |  
| 
            All
            other income (expense)
           |  |  | (2,577,069 | ) |  |  | - |  |  |  | (2,577,069 | ) |  |  | (1,080,414 | ) |  |  | - |  |  |  | (1,080,414 | ) |  
| 
            Net
            Loss
           |  | $ | (5,707,136 | ) |  | $ | (170,582 | ) |  | $ | (5,877,718 | ) |  | $ | (950,003 | ) |  | $ | 126,255 |  |  | $ | (823,748 | ) |  
| 
            Net
            loss per share (basic and diluted)
           |  | $ | (0.14 | ) |  | $ | (0.01 | ) |  | $ | (0.15 | ) |  | $ | (0.02 | ) |  | $ | 0.00 |  |  | $ | (0.02 | ) |  |