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Note 11 - Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
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
Federal (1) | [1] |  |  |  |  |  |  |  |  |  |  |
State (2) | [2] |  |  |  |  |  |  |  |  | 2,449 | 3,626 | 1,371
Total current income tax expense: |  |  |  |  |  |  |  |  |  | 2,449 | 3,626 | 1,371
Federal |  |  |  |  |  |  |  |  |  |  |  | 275,688
State |  |  |  |  |  |  |  |  |  |  |  | 9,890
Total deferred income tax expense: |  |  |  |  |  |  |  |  |  |  |  | 285,578
Total |  | $ 1,221 | $ 537 | $ 345 | $ 346 | $ 1,939 | $ 1,104 | $ 245 | $ 338 | $ 2,449 | $ 3,626 | $ 286,949
[1] | The current federal income tax expense is net of the use of federal net operating losses totaling $0.8 million for the year ended October 31, 2019. The current federal income tax expense did not include the use of federal net operating losses for the years ended October 31, 2018 and 2017.
[2] | The current state income tax expense is net of the use of state net operating losses totaling $1.3 million, $4.4 million and $18.2 million for the years ended October 31, 2019, 2018 and 2017, respectively.

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