XML 20 R78.htm IDEA: XBRL DOCUMENT v2.4.0.6
Net Loss Per Common Share (Reconciliation of Net Loss Per Share) (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
Numerator:                      
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)
Preferred stock dividends                 (4,370,247) (4,696,766) (1,276,902)
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)
Denominator:                      
Weighted average common shares outstanding - basic                 40,497,098 24,640,774 19,383,007
Effect of dilutive securities                         
Diluted weighted average shares outstanding                 40,497,098 24,640,774 19,383,007
Net loss per common share:                      
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)