Annual report pursuant to Section 13 and 15(d)

Select Quarterly Data (Details)

v3.3.1.900
Select Quarterly Data (Details) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Select Quarterly Data [Abstract]                      
Revenues
Expenses $ 4,367,233 $ 4,658,555 $ 4,819,940 $ 4,417,708 $ 3,852,493 $ 3,141,706 $ 3,508,936 $ 2,766,094 $ 18,263,436 $ 13,269,229 $ 7,978,838
Loss from Operations (4,367,233) (4,658,555) (4,819,940) (4,417,708) (3,852,493) (3,141,706) (3,508,936) (2,766,094) (18,263,436) (13,269,229) (7,978,838)
Other Income (Expense) 1,515,078 632,025 1,585,780 145,997 1,642,375 1,236,258 3,703,400 (11,834,405) 3,878,880 (5,252,372) (1,520,586)
Net (Loss) Income per share $ (2,852,155) $ (4,026,530) $ (3,234,160) $ (4,271,711) $ (2,210,118) $ (1,905,448) $ 194,464 $ (14,600,499) $ (14,384,556) $ (18,521,601) $ (9,499,424)
Net (Loss) Income per share, basic and diluted $ (0.02) $ (0.02) $ (0.02) $ (0.02) $ (0.01) $ (0.01) $ 0.00 $ (0.09) $ (0.08) $ (0.11) $ (0.07)