v3.19.1
Consolidated Statements of Operations - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Revenue:    
Revenue from contract with customer $ 338,000  
Grant and other revenue 846,830 $ 1,701,311
Revenue 1,169,351 1,810,437
Cost of revenue 96,636 3,651
Gross profit 1,072,715 1,806,786
Operating expenses:    
Research and development expenses 4,221,881 4,513,842
Selling, general and administrative 7,698,135 11,169,951
Total operating expenses 11,920,016 15,683,793
Loss from operations [1] (10,847,301) (13,877,007)
Other expense:    
Interest (expense) income, net (30,799) 168,971
Change in fair value of financial instruments 153,357
Loss on extinguishment of debt (5,291,616) (4,201,668)
Other income (expense), net 1,145 (33,339)
Total other expense, net [2] (5,321,270) (3,912,679)
Loss before income taxes (16,168,571) (17,789,686)
Benefit from income taxes 9,753 4,062,489
Loss from continuing operations (16,158,818) (13,727,197)
Discontinued operations, net of tax effect:    
Income (loss) from discontinued operations 1,449 (490,758)
Gain on sale 43,053 89,163,811
Net (loss) income (16,114,316) 74,945,856
Less loss attributable to noncontrolling interest (379) (210)
Net (loss) income attributable to common stockholders $ (16,113,937) $ 74,946,066
(Loss) income per common share (basic):    
Continuing operations (in dollars per share) $ (0.09) $ (0.08)
Discontinued operations (in dollars per share) 0.55
Attributable to common stockholders (in dollars per share) $ (0.09) $ 0.47
Weighted average shares outstanding (basic) (in shares) 170,535,343 161,592,569
(Loss) income per common share (diluted):    
Continuing operations (in dollars per share) $ (0.09) $ (0.08)
Discontinued operations (in dollars per share) 0.53
Attributable to common stockholders (in dollars per share) $ (0.09) $ 0.45
Weighted average shares outstanding (diluted) (in shares) 170,535,343 166,016,458
Royalty [Member]    
Revenue:    
Revenue from contract with customer $ 15,347 $ 9,126
License [Member]    
Revenue:    
Revenue from contract with customer $ 307,174 $ 100,000
[1] Loss from operations does not reflect the allocation of certain selling, general and administrative expenses, excluding depreciation and amortization, to our individual reportable segments.
[2] Amounts consist primarily of interest income, interest expense, changes in fair value of financial instruments, and losses on debt extinguishment, which are not currently allocated to our individual reportable segments.

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