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CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS (Details) (USD $)
9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Dec. 31, 2011
Cash and cash equivalents $ 2,935,362 $ 1,585,304 $ 2,673,719 $ 781,516
Short-term investments 2,738,000   2,240,000  
Total 5,673,362   4,913,719  
Increase (Decrease) in cash and cash equivalents 261,643 803,788    
Increase (Decrease) in short-term investments 498,000      
Increase (Decrease) in cash and cash equivalents and short term investments $ 759,643