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Share based compensation arrangement by share based award options, grant in period, grant date increase in fair value.

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The period prior to vesting date for calculating the weighted average share price of common stock.

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The threshold share price of common stock exceeding which, the stock awards will vest under share based compensation.

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The percent of performance payout for awards under share based payment arrangement.

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Threshold period of specified consecutive trading days of common stock for calculating closing price.

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The variance from percent of award calibration criteria established for performance assessment.

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Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award.

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Net number of non-option equity instruments granted to participants.

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Number of additional shares authorized for issuance under share-based payment arrangement.

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Gross number of share options (or share units) granted during the period.

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Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Per share weighted-average price paid for shares purchased on open market for issuance under share-based payment arrangement.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

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Benefit Plans - Additional Information (Details)										12 Months Ended
Benefit Plans - Additional Information (Details)	Aug. 26, 2022 $ / shares shares	Dec. 10, 2021 item D $ / shares shares	Apr. 08, 2021 shares	Nov. 24, 2020 $ / shares	Nov. 24, 2020 USD ($) $ / shares	Nov. 24, 2020 item $ / shares	Nov. 24, 2020 D $ / shares	Aug. 24, 2020 D item $ / shares	May 08, 2020 USD ($) shares	Oct. 31, 2022 USD ($) shares	Oct. 31, 2021 USD ($) shares	Oct. 31, 2020 USD ($) $ / shares shares	Apr. 07, 2021 shares	Dec. 04, 2020 $ / shares	May 11, 2020 shares	May 10, 2020 shares	Jan. 31, 2020 $ / shares	Jan. 08, 2020 $ / shares	Aug. 26, 2019 shares	Oct. 31, 2018 shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock, shares authorized			500,000,000.0							500,000,000	500,000,000		337,500,000		337,500,000	225,000,000.0
Options granted										0	0	0
Options exercised										0	0	0
Intrinsic value, options exercisable \| $										$ 0
Share Price \| $ / shares												$ 2.00		$ 7.95			$ 1.59	$ 2.29
Common stock issued, non-employee compensation (in shares)										76,848	31,889	58,303
Noninterest Expense Directors Fees \| $										$ 200,000	$ 300,000	$ 100,000
ESOP, period for which sale of shares is restricted										6 months
Employer Matching Contribution Percentage										2.00%
Defined Contribution Plan, Cost Recognized \| $										$ 500,000	$ 400,000	$ 300,000
Restricted Stock Awards and Units, Vested, Shares										934,668
Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Prior period vesting date	30 days
Restricted Stock or Unit Expense \| $										$ 10,800,000
Restricted Stock or Unit Expense weighted average period										2 years
Restricted Stock Units \| Weighted Average Share Price at One Per Share
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share Price \| $ / shares	$ 1.00
Restricted Stock Units \| Weighted Average Share Price at Six Per Share
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share Price \| $ / shares	$ 6.00
Restricted Stock Units \| President and Chief Executive Officer
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted Stock Awards and Units, Granted, Shares											1,000,000
Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted Stock Awards and Units, Granted, Shares										188,592
Percentage of Target Performance										100.00%
Time Based Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted Stock Awards and Units, Granted, Shares										833,512
Restricted Stock Units (RSUs) [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted Stock Awards and Units, Vested, Shares	278,788
Share-based Payment Arrangement, Tranche One \| Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding shares	500,000
Share-based Payment Arrangement, Tranche Two \| Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding shares	500,000
2018 Omnibus Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized			12,333,333
Common stock, shares available for issuance			7,535,088
Common stock, shares authorized									4,000,000										4,333,333
Common stock, shares reserved for issuance																			1,000,000
Employee Stock Purchase Plan \| First business day of the offering period
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock Issuance Terms										85.00%
Employee Stock Purchase Plan \| Last business day of the offering period
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock Issuance Terms										85.00%
Long Term Incentive Plan Fiscal 2020 [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of award components \| item								3
Common stock, shares reserved for issuance										293,408
Long Term Incentive Plan Fiscal 2020 [Member] \| Relative Total Shareholder Return Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award Calibration Percentage								100.00%
Variance from Award Calibration Percentage								0.50%
Award Cap, Percent								200.00%
Award Additional Cap, Percent								100.00%
Threshold Consecutive Trading Days \| D								20
Percent of Performance Payout								112.90%
Long Term Incentive Plan Fiscal 2020 [Member] \| Absolute Total Shareholder Return Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Threshold Consecutive Trading Days \| D								20
Share Price \| $ / shares								$ 1.8765
Capital Shares reserved for future issuance								200.00%
Long Term Incentive Plan Fiscal 2020 [Member] \| Absolute Total Shareholder Return Performance Shares \| Stock Price Increase 50 Percent [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percent of increase in stock price								50.00%
Percent of target award earned								50.00%
Long Term Incentive Plan Fiscal 2020 [Member] \| Absolute Total Shareholder Return Performance Shares \| Stock Price Increase 100 Percent [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percent of increase in stock price								100.00%
Percent of target award earned								100.00%
Long Term Incentive Plan Fiscal 2020 [Member] \| Absolute Total Shareholder Return Performance Shares \| Stock Price Increase 150 Percent [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percent of increase in stock price								150.00%
Percent of target award earned								200.00%
Long Term Incentive Plan Fiscal 2021 [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of award components \| item						3
Common stock, shares available for issuance										429,304
Long Term Incentive Plan Fiscal 2021 [Member] \| Relative Total Shareholder Return Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award Calibration Percentage				100.00%
Variance from Award Calibration Percentage				0.50%
Award Cap, Percent				200.00%
Award Additional Cap, Percent				100.00%
Threshold Consecutive Trading Days \| D							20
Capital Shares reserved for future issuance				200.00%	200.00%	200.00%	200.00%
Long Term Incentive Plan Fiscal 2021 [Member] \| Absolute Total Shareholder Return Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Threshold Consecutive Trading Days					20		20
Share Price \| $ / shares				$ 2.27	$ 2.27	$ 2.27	$ 2.27
Capital Shares reserved for future issuance				200.00%	200.00%	200.00%	200.00%
Long Term Incentive Plan Fiscal 2021 [Member] \| Absolute Total Shareholder Return Performance Shares \| Stock Price Increase 25 Percent [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percent of increase in stock price				25.00%
Percent of target award earned				50.00%
Long Term Incentive Plan Fiscal 2021 [Member] \| Absolute Total Shareholder Return Performance Shares \| Stock Price Increase 50 Percent [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percent of increase in stock price				50.00%
Percent of target award earned				100.00%
Long Term Incentive Plan Fiscal 2021 [Member] \| Absolute Total Shareholder Return Performance Shares \| Stock Price Increase 100 Percent [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percent of increase in stock price				100.00%
Percent of target award earned				200.00%
Long Term Incentive Plan Fiscal 2022 [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of award components \| item		2
Common stock, shares available for issuance										188,592
Long Term Incentive Plan Fiscal 2022 [Member] \| Senior Management [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted Stock Awards and Units, Granted, Shares		338,048
Long Term Incentive Plan Fiscal 2022 [Member] \| Relative Total Shareholder Return Performance Shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Award Calibration Percentage		100.00%
Variance from Award Calibration Percentage		0.50%
Award Cap, Percent		200.00%
Award Additional Cap, Percent		100.00%
Threshold Consecutive Trading Days \| D		20
Capital Shares reserved for future issuance		200.00%
Long Term Incentive Plan Fiscal 2022 [Member] \| Performance Shares \| Senior Management [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted Stock Awards and Units, Granted, Shares		169,026
Exercise price \| $ / shares		$ 11.70
Long Term Incentive Plan Fiscal 2022 [Member] \| Performance Shares \| New Hires [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted Stock Awards and Units, Granted, Shares										19,566
Long Term Incentive Plan Fiscal 2022 [Member] \| Time Based Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of warrants vesting										33.33%
Long Term Incentive Plan Fiscal 2022 [Member] \| Time Based Awards \| Senior Management [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted Stock Awards and Units, Granted, Shares		169,022
Long Term Incentive Plan Fiscal 2022 [Member] \| Time Based Awards \| New Hires [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted Stock Awards and Units, Granted, Shares										65,219
Long Term Incentive Plan Fiscal 2022 [Member] \| Time Based Awards \| Salaried Employees [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted Stock Awards and Units, Granted, Shares										599,271
Long Term Incentive Plan Fiscal 2022 [Member] \| Performance and Time Based Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock based compensation period		3 years
Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance awards valued per share \| $ / shares	$ 5.00
Restricted stock awards, general vesting period										4 years
Maximum \| Employee Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock, shares reserved for issuance																				30,248
Maximum \| 2018 Omnibus Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Additional number of shares authorized			8,000,000
Share Based Compensation Arrangement By Share Based Award Options Grant In Period Grant Date Increase In Fair Value \| $									$ 250,000
Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance awards valued per share \| $ / shares	4.00
Restricted stock awards, general vesting period										3 years
Minimum \| Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Threshold share price of common stock \| $ / shares	$ 1.00
Minimum \| Restricted Stock Units \| Weighted Average Share Price at One Per Share
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding shares	0
Minimum \| 2018 Omnibus Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Award Options Grant In Period Grant Date Increase In Fair Value \| $									$ 200,000