Income Taxes (Components of Income Tax Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022
Current
Federal	$ 82	$ 0
State	125	92
Current income tax benefit (expense)	207	92
Deferred
Federal	1,524	(731)
State	311	(256)
Total deferred income taxes	1,835	(987)
Change in valuation allowance	(10,546)	12,303
Deferred income taxes	(8,711)	11,316
Income tax expense (benefit)	$ (8,504)	$ 11,408