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Quarterly Results of Operations (Details) (USD $)
 3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Quarterly Results of Operations [Abstract]                      
Revenues $ 4,661,579 $ 182,792 $ 182,523 $ 111,722 $ 174,140 $ 179,071 $ 120,175    $ 5,138,616 $ 473,386   
Gross profit/(loss) 726,435 (17,665) (13,449) (40,329) (76,745) (40,088) 20,180         
Loss from operations (5,799,718) (7,805,878) (9,053,222) (7,660,816) (3,470,381) (3,632,808) (5,314,059) (3,137,293) (30,319,634) (15,554,541) (7,063,816)
Income tax benefit               76,081       76,081   
Net loss (5,455,150) (8,994,179) (8,980,346) (7,332,598) (2,502,729) (1,974,414) (4,748,426) (2,380,662) (30,762,273) (11,606,231) (60,326,419)
Net loss available to common shareholders $ (6,524,609) $ (10,086,692) $ (10,082,744) $ (8,438,475) $ (3,613,566) $ (3,130,564) $ (5,945,297) $ (3,613,570) $ (35,132,520) $ (16,302,997) $ (61,603,321)
Basic earnings per common share $ (0.13) $ (0.24) $ (0.26) $ (0.24) $ (0.11) $ (0.12) $ (0.26) $ (0.17) $ (0.87) $ (0.66) $ (3.18)
Diluted earnings per common share $ (0.13) $ (0.24) $ (0.26) $ (0.24) $ (0.11) $ (0.12) $ (0.26) $ (0.17) $ (0.87) $ (0.66) $ (3.18)