XML 22 R37.htm IDEA: XBRL DOCUMENT v2.4.0.6
Non-marketable Equity Securities (Details) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Dec. 31, 2012
Non-marketable Equity Securities      
Cost-method investments $ 4,902,828   $ 6,706,012
Equity Method Investment, Other than Temporary Impairment 39,185 0  
FHLB Stock
     
Non-marketable Equity Securities      
Cost-method investments 3,474,300    
Investments in Various Trust and Financial Companies
     
Non-marketable Equity Securities      
Cost-method investments $ 1,428,528