Income Taxes (Components of Income Tax Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
Jan. 31, 2022	Jan. 31, 2021
Current
Federal	$ 0	$ 0
State	92	(2)
Current income tax benefit (expense)	92	(2)
Deferred
Federal	(731)	(555)
State	(256)	(68)
Total deferred income taxes	(987)	(623)
Change in valuation allowance	12,303	(119)
Deferred income taxes	11,316	(742)
Income tax expense (benefit)	$ 11,408	$ (744)

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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