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CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Income Statement [Abstract]    
Revenues, net $ 4,930,091 $ 4,475,049
Cost of goods sold 1,108,443 1,043,641
Gross profit 3,821,648 3,431,408
Operating expenses:    
Sales, general, and administrative 9,678,552 6,163,612
Research and development 15,097,017 18,176,835
Depreciation and amortization 19,597 13,572
Total operating expense 24,795,166 24,354,019
Operating loss (20,973,518) (20,922,611)
Other income:    
Interest income 41,617 18,513
Accreted Interest 2,536 9,842
Total other income 44,153 28,355
Loss before income taxes (20,929,365) (20,894,256)
Net loss $ (20,929,365) $ (20,894,256)
Loss per share, basic and diluted:    
Net loss per share, basic and diluted $ (0.11) $ (0.13)
Weighted average number of common shares outstanding, basic and diluted 194,901,560 163,448,130