XML 25 R29.htm IDEA: XBRL DOCUMENT v2.4.0.8
Quarterly Financial Data (Unaudited) (Summarized Quarterly Financial Information (Details) (USD $)
 3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Quarterly Financial Information [Line Items]                      
Total Income (Loss) $ (678,456) $ 5,892,884 $ (2,281,454) $ 3,488,007 $ (1,848,278) $ 8,792,836 $ (25,764,862) $ 9,471,904 $ 6,420,981 $ (9,348,400) $ 4,424,226
Total Expenses 170,197 205,028 220,417 247,095 220,660 248,705 265,297 315,716 842,737 1,050,378 1,637,724
Net Income (Loss) $ (848,653) $ 5,687,856 $ (2,501,871) $ 3,240,912 $ (2,068,938) $ 8,544,131 $ (26,030,159) $ 9,156,188 $ 5,578,244 $ (10,398,778) $ 2,786,502
Net Income (Loss) per Share $ (0.36) $ 3.12 $ (0.96) $ 1.22 $ (0.59) $ 2.50 $ (7.91) $ 2.35 $ 3.02 $ (3.65) $ 0.55