v3.10.0.1
Statements of Operations - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Income Statement [Abstract]    
Revenue $ 514,823 $ 1,154,009
Operating expenses:    
Research and development 32,871,685 33,230,668
Sales and marketing 6,185,159 5,207,746
General and administrative 12,387,389 12,103,423
Total operating expenses 51,444,233 50,541,837
Loss from operations (50,929,410) (49,387,828)
Other income (expense):    
Interest income, net 89,288 11,679
Loss on sale of property and equipment   (726)
Total 89,288 10,953
Net loss $ (50,840,122) $ (49,376,875)
Basic and diluted loss per common share $ (1.99) $ (2.31)
Weighted average shares outstanding, basic and diluted 25,486,270 21,343,001

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