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Income tax provision - Income tax at the federal statutory rate is reconciled (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Oct. 31, 2019 | Oct. 31, 2018 | Dec. 31, 2017
Income tax provision |  |  |
Income taxes at federal statutory rate | $ 957 | $ 1,737 |
State tax provision, net of federal tax benefit | 160 | 170 |
Nondeductible differences: |  |  |
Rel-Tech earn-out | 0 | (6) |
Qualified domestic production activities deduction | 0 | (141) |
Stock options | 21 | (204) |
Meals and entertainment | 8 | 8 |
R& D credits | (119) | (111) |
ASC 740-10 Liability | 21 | 54 |
Tax Cut and Jobs Act | 0 | (34) |
Other | (12) | (5) |
Net provision (benefit) for income taxes | $ 1,036 | $ 1,468 |
Income taxes at federal statutory rate (% of Pretax Income) | 21.00% | 38.10% | 35.00%
State tax provision, net of federal tax benefit (% of Pretax Income) | 3.50% | 3.70% |
Nondeductible differences: (% of Pretax Income) |  |  |
Rel-Tech earn-out (% of Pretax Income) | 0.00% | (0.10%) |
Qualified domestic production activities deduction (% of Pretax Income) | (0.00%) | (3.10%) |
Stock compensation (% of Pretax Income) | 0.50% | (4.50%) |
Meals and entertainment (% of Pretax Income) | 0.20% | 0.20% |
R& D credits (% of Pretax Income) | (2.60%) | (2.40%) |
ASC 740-10 Liability (% of Pretax Income) | 0.50% | 1.20% |
Tax Cut and Jobs Act (% of Pretax Income) | (0.00%) | (0.70%) |
Other (% of Pretax Income) | (0.30%) | (0.10%) |
Net provision (benefit) for income taxes (% of Pretax Income) | 22.80% | 32.30% |

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