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Accounting Policies (Tables) | 3 Months Ended | 9 Months Ended
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Oct. 31, 2022 | Oct. 31, 2023 | Oct. 31, 2022
Accounting Policies [Abstract] |  |  |
Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] | The following tables show the effect of the retrospective change to the Consolidated Statements of Operations previously presented:
|  | Three Months Ended October 31, 2022
|  | As Previously Reported |  | Effect of Change |  | As Currently Reported
Cost of sales |  | $208,941 |  | $2,063 |  | $211,004
Gross profit |  | $11,336 |  | $(2,063) |  | $9,273
Selling, general and administrative |  | $(7,886) |  | $2,063 |  | $(5,823)
|  | The following tables show the effect of the retrospective change to the Consolidated Statements of Operations previously presented:
|  | Nine Months Ended October 31, 2022
|  | As Previously Reported |  | Effect of Change |  | As Currently Reported
Cost of sales |  | $615,001 |  | $4,548 |  | $619,549
Gross profit |  | $39,832 |  | $(4,548) |  | $35,284
Selling, general and administrative |  | $(22,237) |  | $4,548 |  | $(17,689)
Schedule of Inventory, Current [Table Text Block] |  | The components of inventory are as follows as of the dates presented (amounts in thousands):
|  | October 31, 2023 |  |  | January 31, 2023 |
Ethanol and other finished goods |  | $ | 8,035 |  |  | $ | 12,695 |
Work in process |  |  | 5,697 |  |  |  | 10,194 |
Corn and other raw materials |  |  | 23,783 |  |  |  | 25,855 |
Total |  | $ | 37,515 |  |  | $ | 48,744 |

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- Definition Tabular disclosure of prior period adjustments to previously issued financial statements including (1) the effect of the correction on each financial statement line item and any per-share amounts affected for each prior period presented (2) the cumulative effect of the change on retained earnings or other appropriate components of equity or net assets in the statement of financial position, as of the beginning of the earliest period presented, and (3) the effect of the prior period adjustments (both gross and net of applicable income tax) on the net income of each prior period presented in the entity's annual report for the year in which the adjustments are made. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-8 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-7 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 250 -SubTopic 10 -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483443/250-10-50-9 + Details
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