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SEGMENT INFORMATION (Tables) | 12 Months Ended
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Oct. 31, 2019
Segment Reporting [Abstract] |
Schedule of Segment Reporting Information, by Segment [Table Text Block] |
| Year Ended October 31,
| 2019 |  | 2018
Net loss: |  |  |  |  |
Cancer diagnostics | $ | (5,196,471) |  | $ | (5,920,457)
Cancer therapeutics |  | (5,752,318) |  |  | (7,073,322)
Patent licensing |  | (869,863) |  |  | (1,249,305)
Total | $ | (11,818,652) |  | $ | (14,243,084)
Total operating costs and expenses | $ | 12,140,005 |  | $ | 15,401,558
Less non-cash share-based compensation |  | (5,713,746) |  |  | (8,895,614)
Operating costs and expenses excluding non-cash share-based compensation | $ | 6,426,259 |  | $ | 6,505,944
Operating costs and expenses excluding non-cash share based compensation expense: |  |  |  |  |
Cancer diagnostics | $ | 2,689,761 |  | $ | 2,431,810
Cancer therapeutics |  | 2,670,482 |  |  | 2,120,614
Patent licensing |  | 1,066,016 |  |  | 1,953,520
Total | $ | 6,426,259 |  | $ | 6,505,944
| October 31,
| 2019 |  | 2018
Total assets: |  |  |  |  |
Cancer diagnostics | $ | 2,921,784 |  | $ | 2,545,803
Cancer therapeutics |  | 2,872,341 |  |  | 2,157,359
Patent licensing |  | 499,568 |  |  | 1,745,380
Total | $ | 6,293,693 |  | $ | 6,448,542

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8721-108599 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8906-108599 + Details
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