Quarterly report pursuant to Section 13 or 15(d)

Summary Of Significant Accounting Policies (Components Of Accumulated Other Comprehensive Income) (Details)

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Summary Of Significant Accounting Policies (Components Of Accumulated Other Comprehensive Income) (Details) (USD $)
Mar. 31, 2013
Dec. 31, 2012
Summary Of Significant Accounting Policies [Abstract]    
Foreign currency translation $ (2,713,628) $ (2,370,474)
Unrealized gain on available-for-sale investments 11,512 23,590
Minimum pension liability 1,553,021 1,758,836
Accumulated other comprehensive (loss) income, net of tax $ (1,149,095) $ (588,048)