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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) (USD $) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Income Statement [Abstract] |  |  |  |
Net sales | $ 16,115,708 | $ 7,954,046 | $ 41,186,943 | $ 16,544,110
Cost of sales | 2,113,438 | 1,425,336 | 6,216,940 | 3,499,117
Gross margin | 14,002,270 | 6,528,710 | 34,970,003 | 13,044,993
Operating expenses: |  |  |  |
Research and development expenses | 1,287,361 | 838,690 | 3,458,585 | 1,748,847
Selling, general and administrative expenses | 12,711,225 | 5,756,559 | 31,948,607 | 11,443,611
Impairment of intangible assets | 0 | 1,798,495 | 0 | 1,798,495
Fair value adjustment of earn-out liability | 0 | 1,320,000 | 0 | 1,320,000
Amortization of intangible assets | 259,575 | 449,692 | 789,809 | 1,117,646
Operating income (loss) | (255,891) | (3,634,726) | (1,226,998) | (4,383,606)
Other income (expense), net |  |  |  |
Amortization of debt discount | 0 | (439,064) | (1,328,439) | (1,222,290)
Interest expense, net | (4,527) | (145,582) | (32,503) | (451,196)
Income (loss) before income tax provision | (260,418) | (4,219,372) | (2,587,940) | (6,057,092)
Income tax provision | (46,700) | 0 | (96,975) | 0
Net Income (loss) | $ (307,118) | $ (4,219,372) | $ (2,684,915) | $ (6,057,092)
Net income (loss) per common share - basic and diluted (in dollars per share) | $ 0.00 | $ (0.05) | $ (0.03) | $ (0.07)
Weighted average shares outstanding - basic and diluted (in shares) | 96,914,856 | 84,493,164 | 95,429,988 | 84,091,014

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