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Consolidated Statements of Stockholders' Equity (Parenthetical) (USD $)
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Minimum pension liability adjustment $ 158,869 $ 79,354 $ 1,506
Common stock issued as compensation 37,893 53,093 17,166
Common Stock
     
Common stock issued as compensation 37,893 53,093 17,166
Other Capital
     
Common stock issued as compensation 37,893 53,093 17,166
Accumulated Other Comprehensive Income (Loss)
     
Minimum pension liability adjustment $ 158,869 $ 79,354 $ 1,506