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Accumulated Other Comprehensive Loss (Details) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Summary of changes in accumulated other comprehensive loss by component    
Beginning balance, Unrealized Gain on Other Available-for-Sale Securities $ (1,356)  
Beginning balance, Foreign Currency Translation 194,533  
Beginning balance, Total 193,177  
Other comprehensive income (loss) current period, Unrealized Gain on Other Available-for-Sale Securities 1,439 2,753
Other comprehensive income (loss) current period, Foreign Currency Translation (234,104) 95,886
Other comprehensive income (loss) current period, Total (232,665) 98,639
Ending balance, Unrealized Gain on Other Available-for-Sale Securities 83  
Ending balance, Foreign Currency Translation (39,571)  
Ending balance, Total $ (39,488)