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Consolidated Balance Sheets (Parentheticals) (USD $)
Sep. 30, 2013
Dec. 31, 2012
Dec. 31, 2011
Property and equipment, accumulated depreciation and amortization (in Dollars) $ 474,956 $ 429,804 $ 356,084
Licenses, accumulated amortization (in Dollars) $ 236,355 $ 228,856 $ 208,993
Prеfеrrеd stock, par valuе (in Dollars per share) $ 0.01 $ 0.01 $ 0.01
Prеfеrrеd stock, sharеs authorizеd 10,000,000 10,000,000 10,000,000
Common stock, par value (in Dollars per share) $ 0.001 $ 0.001  
Common stock, shares authorized 75,000,000 40,000,000 40,000,000
Common stock, shares issued 21,666,610 18,733,277 16,442,611
Common stock, shares outstanding 21,666,610 18,733,277 16,442,611
Series A Convertible Preferred Stock [Member]
      
Prеfеrrеd stock, sharеs authorizеd   2,200  
Prеfеrrеd stock, statеd valuе (in Dollars per share) $ 1,000 $ 1,000 $ 1,000
Prеfеrrеd stock, sharеs issuеd 788 788 0
Prеfеrrеd stock, sharеs outstanding 788 788 0