v3.10.0.1
Condensed Statements of Operations - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Income Statement [Abstract]        
Revenue $ 228,000 $ 250,000 $ 458,773 $ 1,124,874
Operating expenses:        
Research and development 8,442,698 8,743,434 24,804,224 25,788,621
Sales and marketing 1,546,227 1,141,852 4,620,760 3,924,617
General and administrative 2,891,036 3,116,337 9,439,279 9,560,651
Total operating expenses 12,879,961 13,001,623 38,864,263 39,273,889
Loss from operations (12,651,961) (12,751,623) (38,405,490) (38,149,015)
Other income (expense):        
Loss on sales of property and equipment, net       (726)
Interest income 6,670 3,375 18,371 9,343
Total 6,670 3,375 18,371 8,617
Net loss $ (12,645,291) $ (12,748,248) $ (38,387,119) $ (38,140,398)
Basic and diluted loss per common share $ (0.49) $ (0.58) $ (1.50) $ (1.81)
Weighted average shares outstanding, basic and diluted 25,742,171 21,958,729 25,519,868 21,034,391

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