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CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) | 12 Months Ended
--- | ---
Oct. 31, 2018 | Oct. 31, 2017
Revenue | $ 1,112,500 | $ 362,500
Operating costs and expenses: |  |
Inventor royalties, contingent legal fees, litigation and licensing expenses | 768,410 | 104,556
Amortization of patents | 325,296 | 325,296
Research and development expenses (including non-cash share based compensation expenses of $4,596,866 and $288,187, respectively) | 6,813,043 | 1,597,550
General and administrative expenses (including non-cash share based compensation expenses of $4,298,748 and $1,388,585, respectively) | 6,911,830 | 4,410,682
Impairment in carrying amount of patent assets (Note 2) | 582,979 |
Total operating costs and expenses | 15,401,558 | 6,438,084
Loss from operations | (14,289,058) | (6,075,584)
Gain on extinguishment of patent acquisition obligation (Note 4) |  | 1,547,608
Interest expense (Notes 4 and 5) |  | (500,455)
Interest income | 45,974 | 19,440
Loss before income taxes | (14,243,084) | (5,008,991)
Provision for income taxes (Note 7) |  |
Net loss | (14,243,084) | (5,008,991)
Less: Net loss attributable to noncontrolling interest | (247,059) |
Net loss attributable to common shareholders before deemed dividend | (13,996,025) | (5,008,991)
Deemed dividend to preferred stockholder (Note 5) |  | (2,008,775)
Net loss attributable to common stockholders | $ (13,996,025) | $ (7,017,766)
Net loss per share: |  |
Basic and diluted (in Dollars per share) | $ (0.79) | $ (0.58)
Weighted average common shares outstanding: |  |
Basic and diluted (in Shares) | 17,624,335 | 12,197,340

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