XML 104 R91.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Loss Per Share - Calculation of Basic and Diluted Loss Per Share (Details) - USD ($)
 3 Months Ended 12 Months Ended
Aug. 15, 2019
May 15, 2019
Oct. 31, 2019
Jul. 31, 2019
Apr. 30, 2019
Jan. 31, 2019
Oct. 31, 2018
Jul. 31, 2018
Apr. 30, 2018
Jan. 31, 2018
Oct. 31, 2019
Oct. 31, 2018
Oct. 31, 2017
Numerator                          
Net loss     $ (35,179,000) $ (5,311,000) $ (19,530,000) $ (17,548,000) $ (14,096,000) $ (15,881,000) $ (13,174,000) $ (4,183,000) $ (77,568,000) $ (47,334,000) $ (53,903,000)
Series B Preferred stock dividends                     (3,231,000) (3,200,000) (3,200,000)
Net loss attributable to common stockholders     (36,003,000) (8,328,000) (22,876,000) (33,038,000) (17,929,000) (17,620,000) (18,173,000) (8,446,000) $ (100,245,000) $ (62,168,000) $ (57,103,000)
Denominator                          
Weighted average common shares outstanding - basic                     55,081,266 6,896,189 4,159,575
Effect of dilutive securities [1]                     0 0 0
Weighted average common shares outstanding - diluted                     55,081,266 6,896,189 4,159,575
Net loss to common stockholders per share - basic                     $ (1.82) $ (9.01) $ (13.73)
Net loss to common stockholders per share - diluted [1]                     $ (1.82) $ (9.01) $ (13.73)
Series A Warrant [Member]                          
Numerator                          
Series A warrant exchange         (3,169,000)           $ (3,169,000)    
Series C Preferred Stock [Member]                          
Numerator                          
Preferred stock deemed dividends and redemption value adjustments, net                     (6,522,000) $ (9,559,000)  
Series B Preferred Stock [Member]                          
Numerator                          
Series B Preferred stock dividends $ 0 $ 0 (821,000) (810,000) (800,000) (800,000) (800,000) $ (800,000) $ (800,000) $ (800,000) (3,231,000) (3,200,000) $ (3,200,000)
Series D Preferred Stock [Member]                          
Numerator                          
Preferred stock deemed dividends and redemption accretion     $ (3,000) $ (3,091,000) $ (976,000) $ (5,685,000) $ (2,075,000)       $ (9,755,000) $ (2,075,000) $ 0
[1] Due to the net loss to common stockholders in each of the years presented above, diluted earnings per share was computed without consideration to potentially dilutive instruments as their inclusion would have been antidilutive.