Income Taxes (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Jan. 31, 2021	Jan. 31, 2020	Jan. 31, 2019
Income Tax Disclosure [Abstract]
Federal statutory income tax rate, percent	21.00%	21.00%
Valuation allowance	$ 1,064	$ 1,183
Federal net operating loss carryforward	12,897
State net operating loss carryforward	29,891
Unrecognized tax benefits	54	60	$ 38
Unrecognized tax benefits that would favorably impact effective tax rate	43
Liability for interest and penalties related to unrecognized tax benefits	11	$ 10
Unrecognized tax benefit amount that is reasonably possible to decrease	$ 6

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date.

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Amount of unrecognized tax benefits.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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