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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) | Total | Common Stock | Paid-In Capital | Accumulated Deficit | Treasury Stock
--- | --- | --- | --- | --- | ---
Balances at Dec. 31, 2008 |  | $ 55,994 | $ 146,518,753 | $ (114,957,709) | $ (9,418)
Balances (in shares) at Dec. 31, 2008 |  | 55,955,549 |  |  |
Increase (Decrease) in Shareholders' Equity |  |  |  |  |
Net loss | (10,065,862) |  |  | (10,065,862) |
Restricted common stock issued for services |  | 826 | (826) |  |
Restricted common stock issued for services (in shares) |  | 826,243 |  |  |
Stock compensation expense |  |  | 1,257,909 |  |
Common stock issuance |  |  | 61,368 |  |
Balances at Dec. 31, 2009 |  | 56,820 | 147,837,204 | (125,023,571) | (9,418)
Balances (in shares) at Dec. 31, 2009 |  | 56,781,792 |  |  |
Increase (Decrease) in Shareholders' Equity |  |  |  |  |
Net loss | (10,354,567) |  |  | (10,354,567) |
Restricted common stock issued for services |  | 282 | (282) |  |
Restricted common stock issued for services (in shares) |  | 282,071 |  |  |
Common stock issued for stock option exercise |  | 1 | 807 |  |
Common stock issued for stock option exercise (in shares) |  | 1,113 |  |  |
Stock compensation expense |  |  | 1,032,308 |  |
Common stock issuance |  | 35,365 | 19,101,918 |  |
Common stock issuance (in shares) |  | 35,365,330 |  |  |
Balances at Dec. 31, 2010 | 32,676,867 | 92,468 | 167,971,955 | (135,378,138) | (9,418)
Balances (in shares) at Dec. 31, 2010 | 92,430,306 | 92,430,306 |  |  |
Increase (Decrease) in Shareholders' Equity |  |  |  |  |
Net loss | (11,199,397) |  |  | (11,199,397) |
Common stock issued for deferred compensation |  | 885 | 696,142 |  |
Common stock issued for deferred compensation (in shares) |  | 885,021 |  |  |
Restricted common stock issued for services |  | 176 | (176) |  |
Restricted common stock issued for services (in shares) |  | 175,885 |  |  |
Common stock issued for stock option exercise |  | 37 | 28,197 |  |
Common stock issued for stock option exercise (in shares) |  | 37,150 |  |  |
Stock compensation expense |  |  | 883,941 |  |
Common stock issuance |  | 477 | 324,144 |  |
Common stock issuance (in shares) |  | 476,644 |  |  |
Balances at Dec. 31, 2011 | $ 23,411,293 | $ 94,043 | $ 169,904,203 | $ (146,577,535) | $ (9,418)
Balances (in shares) at Dec. 31, 2011 | 94,005,006 | 94,005,006 |  |  |

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