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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' DEFICIT (USD $) | Total | Common Stock [Member] | Common Stock [Member] Common Stock Issued At 1.45 [Member] | Preferred Stock - A [Member] | Preferred Stock - A [Member] Common Stock Issued At 1.45 [Member] | Preferred Stock - B [Member] | Preferred Stock - B [Member] Common Stock Issued At 1.45 [Member] | Additional paid-in capital [Member] | Additional paid-in capital [Member] Common Stock Issued At 1.45 [Member] | Treasury stock [Member] | Treasury stock [Member] Common Stock Issued At 1.45 [Member] | Accumulated deficit [Member] | Accumulated deficit [Member] Common Stock Issued At 1.45 [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2010 |  | $ 191,000 |  | $ 0 |  | $ 0 |  | $ 230,153,000 |  | $ (4,000) |  | $ (251,135,000) |
Balance (in shares) at Dec. 31, 2010 |  | 19,115,010 |  | 2,978.3617 |  | 0 |  |  |  |  |  |  |
Restricted common stock issued for services |  | 1,000 |  | 0 |  | 0 |  | 202,000 |  | 0 |  | 0 |
Restricted common stock issued for services (in shares) |  | 97,500 |  | 0 |  | 0 |  |  |  |  |  |  |
Common stock issued for services |  | 2,000 |  | 0 |  | 0 |  | 380,000 |  | 0 |  | 0 |
Common stock issued for services (in shares) |  | 172,496 |  | 0 |  | 0 |  |  |  |  |  |  |
Warrants issued for services |  | 0 |  | 0 |  | 0 |  | 17,000 |  | 0 |  | 0 |
Common stock issued to directors and employees | 0 |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock converted into common stock |  | 2,000 |  | 0 |  | 0 |  | (2,000) |  | 0 |  | 0 |
Preferred stock converted into common stock (in shares) |  | 216,361 |  | (40) |  | 0 |  |  |  |  |  |  |
Common stock issued for preferred dividends | (1,000) | 0 |  | 0 |  | 0 |  | 1,000 |  | 0 |  | 0 |
Common stock issued for preferred dividends (in shares) |  | 108 |  | 0 |  | 0 |  |  |  |  |  |  |
Stock option compensation expense |  | 0 |  | 0 |  | 0 |  | 1,066,000 |  | 0 |  | 0 |
Common stock issued, net of costs |  |  | 43,000 |  | 0 |  | 0 |  | 5,783,000 |  | 0 |  | 0
Common stock issued, net of costs (in shares) |  |  | 4,289,312 |  | 0 |  | 0 |  |  |  |  |  |
Warrant extension expense | 0 |  |  |  |  |  |  |  |  |  |  |  |
Preferred dividends | (1,774,000) | 0 |  | 0 |  | 0 |  | 0 |  | 0 |  | (1,774,000) |
Net loss | (2,532,000) | 0 |  | 0 |  | 0 |  | 0 |  | 0 |  | (2,532,000) |
Balance at Dec. 31, 2011 | (17,606,000) | 239,000 |  | 0 |  | 0 |  | 237,600,000 |  | (4,000) |  | (255,441,000) |
Balance (in shares) at Dec. 31, 2011 |  | 23,890,787 |  | 2,938.3617 |  | 0 |  |  |  |  |  |  |
Restricted common stock issued for services |  | 0 |  | 0 |  | 0 |  | 27,000 |  | 0 |  | 0 |
Restricted common stock issued for services (in shares) |  | 20,000 |  | 0 |  | 0 |  |  |  |  |  |  |
Common stock issued for services |  | 0 |  | 0 |  | 0 |  | 40,000 |  | 0 |  | 0 |
Common stock issued for services (in shares) |  | 80,892 |  | 0 |  | 0 |  |  |  |  |  |  |
Warrants issued for services |  | 0 |  | 0 |  | 0 |  | 10,000 |  | 0 |  | 0 |
Common stock issued to directors and employees | (305,000) | 2,000 |  | 0 |  | 0 |  | 303,000 |  | 0 |  | 0 |
Common stock issued to directors and employees (in shares) |  | 222,500 |  | 0 |  | 0 |  |  |  |  |  |  |
Preferred stock converted into common stock |  | 5,000 |  | 0 |  | 0 |  | (5,000) |  | 0 |  | 0 |
Preferred stock converted into common stock (in shares) |  | 500,000 |  | (25) |  | 0 |  |  |  |  |  |  |
Common stock issued for preferred dividends | (22,000) | 1,000 |  | 0 |  | 0 |  | 21,000 |  | 0 |  | 0 |
Common stock issued for preferred dividends (in shares) |  | 18,133 |  | 0 |  | 0 |  |  |  |  |  |  |
Stock option compensation expense |  | 0 |  | 0 |  | 0 |  | 390,000 |  | 0 |  | 0 |
Preferred stock issued, net of costs |  | 0 |  | 0 |  | 0 |  | 4,654,000 |  | 0 |  | 0 |
Preferred stock issued, net of costs (in shares) |  | 0 |  | 0 |  | 470.27 |  |  |  |  |  |  |
Preferred stock issued in exchange of dividends payable |  | 0 |  | 0 |  | 0 |  | 5,297,000 |  | 0 |  | 0 |
Preferred stock issued in exchange of dividends payable (in shares) |  | 0 |  |  |  | 529.73 |  |  |  |  |  |  |
Warrant extension expense | (2,316,000) | 0 |  | 0 |  | 0 |  | 2,316,000 |  | 0 |  | 0 |
Preferred dividends | (1,999,000) | 0 |  | 0 |  | 0 |  | 0 |  | 0 |  | (1,999,000) |
Net loss | (10,532,000) | 0 |  | 0 |  | 0 |  | 0 |  | 0 |  | (10,532,000) |
Balance at Dec. 31, 2012 | $ (17,076,000) | $ 247,000 |  | $ 0 |  | $ 0 |  | $ 250,653,000 |  | $ (4,000) |  | $ (267,972,000) |
Balance (in shares) at Dec. 31, 2012 |  | 24,732,312 |  | 2,913.3617 |  | 1,000.00 |  |  |  |  |  |  |

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