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Consolidated Statements of Operations (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Consolidated Statements of Operations [Abstract]      
Fee income $ 2,161,359 $ 1,957,336 $ 845,982
Operating expenses 5,841,268 3,995,633 3,618,635
Research and development 2,203,326 1,671,872 1,390,689
Total expenses 8,044,594 5,667,505 5,009,324
Operating loss (5,883,235) (3,710,169) (4,163,342)
Net investment income 38,148 33,171 29,274
Loss before income tax benefit (5,845,087) (3,676,998) (4,134,068)
Income tax benefit    613,397   
Net loss $ (5,845,087) $ (3,063,601) $ (4,134,068)
Basic and diluted net loss per common share $ (0.25) $ (0.15) $ (0.22)
Basic and diluted weighted average number of common shares outstanding 22,946,019 20,125,309 18,538,041