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Condensed Consolidated Statements Of Cash Flows (Parenthetical)
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9 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
|
Sep. 30, 2011
|
Sep. 30, 2010
|
Dec. 31, 2010
|
Dec. 31, 2009
|
Dec. 31, 2008
|
|
| Condensed Consolidated Statements Of Cash Flows [Abstract] | |||||
| Issuance of shares, common stock, warrants | 476,663 | 2,601,591 | 3,518,110 | 726,910 | |
| Cashless exercise of warrants | 581,895 | 3,778,811 | 5,100,000 | 2,900,000 | |
| Conversion of shares of Series B Convertible Preferred Stock | 20 | 60 | |||
| Series B Convertible Preferred Stock into shares of common stock | 26,666 | 80,000 | |||
| Issuance of shares, common stock, options | 49,685 | ||||
| Cashless exercise of stock option | 60,000 | ||||
| Issuance of common stock for deferred financing costs | 485,000 | ||||
| Issuance of common stock underlying warrants for deferred financing costs | 1,120,000 | ||||