Annual report pursuant to Section 13 and 15(d)

Net Loss Per Share Of Common Stock, Basic And Diluted (Details)

v3.19.1
Net Loss Per Share Of Common Stock, Basic And Diluted (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Basic (loss) income per share    
Net (loss) income $ (40,052,810) $ 11,869,823
Deemed distribution to shareholder   $ 0
Weighted average shares of common stock outstanding, basic (in shares) 34,773,613 18,410,005
Basic income (loss) per share (in dollars per share) $ (1.20) $ 0.42
Diluted (loss) income per share:    
Net (loss) income attributable to common shares $ (41,710,193) $ 7,772,084
Net (loss) income reallocated 0 49,642
Undistributed (loss) earnings allocable to common shares $ (41,710,193) $ 7,821,726
Effect of dilutive securities:    
Stock options (in shares) 0 61,510
Underwriters' unit purchase options (in shares) 0 283,284
Potentially dilutive shares (in shares) 0 344,794
Weighted average number of shares of common stock outstanding, diluted (in shares) 34,773,613 18,754,799
Diluted income (loss) per share (in dollars per share) $ (1.20) $ 0.42
Common stock warrants    
Basic (loss) income per share    
Undistributed earnings (loss) allocated to participating securities $ 0 $ 4,097,739
Weighted average shares of common stock outstanding, basic (in shares) 0 9,706,458
Basic income (loss) per share (in dollars per share) $ 0.00 $ 0.42
Common stock    
Basic (loss) income per share    
Undistributed earnings (loss) allocated to participating securities $ (41,710,193) $ 7,772,084
Weighted average shares of common stock outstanding, basic (in shares) 34,773,613 18,410,005
Common Stock And Participating Warrants    
Basic (loss) income per share    
Weighted average shares of common stock outstanding, basic (in shares) 34,773,613 28,116,463