Quarterly report pursuant to Section 13 or 15(d)

3. Summary of Significant Accounting Policies (Details 2)

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3. Summary of Significant Accounting Policies (Details 2) (USD $)
 3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Numerator:        
Net loss $ (673,214) $ (796,038) $ (2,518,624) $ (2,368,637)
Accrued dividend for Preferred Stock (42,938) (36,092) (114,348) (454,936)
Deemed dividend on Series J Convertible Preferred Stock       (651,182) 0
Preferred dividend paid in common stock    (88,350)    (249,907)
Deemed dividend on warrant modifications    (5,347)    (190,891)
Net loss applicable to common shareholders $ (716,152) $ (925,827) $ (3,284,154) $ (3,264,371)
Denominator for basic and diluted loss per share:        
Weighted average common stock shares outstanding 11,664,484 10,872,877 11,776,740 9,598,066
Loss per common share - basic and diluted $ (0.06) $ (0.09) $ (0.28) $ (0.34)