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COMMON STOCK WARRANTS (Details Textual) (USD $)
1 Months Ended 12 Months Ended
May 31, 2013
Mar. 31, 2013
Feb. 28, 2013
Dec. 31, 2010
Dec. 31, 2006
Unexercised Warrants To Purchase Common Stock Expired 250,000 1,286,764 486,766    
Development Stage Entities, Equity Issuance, Per Share Amount       $ 2.79 $ 4.31
Warrants Issued To Purchase Common Stock Shares       2,345,000 716,666
Warrants Exercised During Period       1,058,236 229,900
Warrants Exercise Price     $ 3.30