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Cash, Cash Equivalents, Short-Term and Long-Term Investments (Details) (USD $)
 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Dec. 31, 2012
Cash, Cash Equivalents, Short-Term and Long-Term Investments [Abstract]        
Cash and cash equivalents $ 1,166,211 $ 2,935,362 $ 2,270,385 $ 2,673,719
Short-term investments 2,985,000   2,985,000  
Subtotal 4,151,211   5,255,385  
Long-term investments 496,000   0  
Total 4,647,211   5,255,385  
Increase (Decrease) in cash and cash equivalents (1,104,174) 261,643    
Increase (Decrease) in short-term investments 0      
Increase (Decrease) in cash and cash equivalents and short term investments (1,104,174)      
Increase (Decrease) in long term investments 496,000      
Increase (Decrease) in cash and cash equivalents short term and long term investments $ (608,174)