v2.4.0.6
Consolidated Statements Of Comprehensive Loss (Parenthetical) (USD $)
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Consolidated Statements Of Comprehensive Loss [Abstract]    
Change in unrealized holding losses on available-for-sale securities arising during period, tax $ 712,136 $ (446,049)
Reclassification adjustment for net gains realized on available-for-sale securities realized in net income, tax $ (956,236) $ (96,238)