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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
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Sep. 30, 2012
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Dec. 31, 2011
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|---|---|---|
| Common stock, par value per share | $ 0.000666 | $ 0.000666 |
| Common stock, shares authorized | 3,950,000,000 | 3,950,000,000 |
| Common stock, shares issued | 43,282,870 | 28,990,630 |
| Common stock, shares outstanding | 43,282,870 | 28,990,630 |
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Convertible Preferred Stock [Member] | 7.5% Series A-1 Convertible Preferred Stock [Member]
|
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| Preferred stock, par or stated value per share | $ 0.000666 | $ 0.000666 |
| Preferred stock, shares authorized | 1,500,000 | 1,500,000 |
| Preferred stock, shares issued | 22,637 | 22,637 |
| Preferred stock, shares outstanding | 22,637 | 22,637 |
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Convertible Preferred Stock [Member] | 7.5% Series A-2 Convertible Preferred Stock [Member]
|
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| Preferred stock, par or stated value per share | $ 0.000666 | $ 0.000666 |
| Preferred stock, shares authorized | 250,000 | 250,000 |
| Preferred stock, shares issued | 5,271 | 6,672 |
| Preferred stock, shares outstanding | 5,271 | 6,672 |
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Convertible Preferred Stock [Member] | 7.5% Series B convertible preferred stock [Member]
|
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| Preferred stock, par or stated value per share | $ 0.000666 | $ 0.000666 |
| Preferred stock, shares authorized | 600,000 | 600,000 |
| Preferred stock, shares issued | 28,722 | 29,907 |
| Preferred stock, shares outstanding | 28,722 | 29,907 |