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Consolidated Statements of Stockholders' Equity and Comprehensive Loss (USD $)
In Thousands, except Share data, unless otherwise specified
First Issuance in Period [Member]
Common Stock [Member]
USD ($)
First Issuance in Period [Member]
Parent [Member]
USD ($)
First Issuance in Period [Member]
USD ($)
Second Issuance in Period [Member]
Common Stock [Member]
Third Issuance in Period [Member]
Common Stock [Member]
USD ($)
Third Issuance in Period [Member]
Parent [Member]
USD ($)
Third Issuance in Period [Member]
USD ($)
Common Stock [Member]
USD ($)
Additional Paid-in Capital [Member]
USD ($)
Retained Earnings [Member]
USD ($)
Accumulated Other Comprehensive Income (Loss) [Member]
USD ($)
Parent [Member]
USD ($)
Interest In Subsidiary [Member]
USD ($)
Noncontrolling Interest [Member]
USD ($)
Total
USD ($)
Balances at Dec. 31, 2008               $ 180,105 $ 5,378 $ (140,892) $ (1,873) $ 42,718 $ 1,098 $ 1,098 $ 43,816
Balances (in Shares) at Dec. 31, 2008               23,285,918              
Investment from non-controlling interest                         62 62 62
Comprehensive loss:                              
Net loss                   (21,312)   (21,312) (619) (619) (21,931)
Other comprehensive gain, net of taxes of $0                     313 313     313
Comprehensive loss                       (20,999)   (619) (21,618)
Share-based compensation               221 931     1,152     1,152
Issuance of restricted stock (in Shares)               65,747              
Common stock issued               8,189 4,624     12,813     12,813
Common stock issued (in Shares)               2,998,617              
Balances at Dec. 31, 2009               188,515 10,933 (162,204) (1,560) 35,684 541 541 36,225
Balances (in Shares) at Dec. 31, 2009               26,350,282              
Disposal from non-controlling interest                         (536) (536) (536)
Comprehensive loss:                              
Net loss                   (22,286)   (22,286) (5) (5) (22,291)
Reclassification adjustment for realized loss on securities included in net loss                     1,560 1,560     1,560
Comprehensive loss                       (20,726)   (5) (20,731)
Share-based compensation               283 1,364     1,647     1,647
Issuance of restricted stock (in Shares)               177,744              
Common stock issued               692       692     692
Common stock issued (in Shares)               487,654              
Balances at Dec. 31, 2010               189,491 12,297 (184,490)   17,298     17,298
Balances (in Shares) at Dec. 31, 2010               27,015,680              
Comprehensive loss:                              
Net loss                   (19,933)   (19,933)     (19,933)
Comprehensive loss                       (19,933)     (19,933)
Share-based compensation               228 512     740     740
Common stock issued 3,796 3,796 3,796   52,102 52,102 52,102                
Common stock issued (in Shares) 3,600,000     1,800,000 37,036,807                    
Warrant redemption                 (530)     (530)     (530)
Balances at Dec. 31, 2011               $ 245,617 $ 12,279 $ (204,423)   $ 53,473     $ 53,473
Balances (in Shares) at Dec. 31, 2011               69,452,487