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Income Taxes (Income Tax Expense Reconciliation) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2023 | Jan. 31, 2022
Income Tax Disclosure [Abstract] |  |
Statutory | $ 1,689 | $ (782)
State taxes (net of federal tax) | 746 | 14
Change in valuation allowance | (10,546) | 12,303
State rate adjustment | (397) | (197)
Change in unrecognized tax benefits | 6 | 5
Stock compensation | 35 | 48
Expirations of attributes | 17 | 55
Permanent differences | (13) | (31)
Return to provision | (41) | (7)
Income tax expense (benefit) | $ (8,504) | $ 11,408

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- Definition Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 740 -Section 35 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126970579&loc=d3e23163-113944 + Details
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