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CASH, CASH EQUIVALENTS AND SHORT-TERM INVESTMENTS (Details) (USD $)
9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Dec. 31, 2010
Cash and cash equivalents $ 1,585,304 $ 563,544 $ 781,516 $ 1,398,985
Short-term investments 3,235,000   4,178,000  
Cash, Cash Equivalents, and Short-term Investments 4,820,304   4,959,516  
Increase decrease in cash and cash equivalents 803,788 (835,441)    
Increase decrease in short term investments (943,000)      
Increase decrease in cash and cash equivalents and short term investments $ (139,212)