Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2021	Jan. 31, 2020
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (2,232)	$ 2,382
Other comprehensive income (loss)
Pension adjustments (net of $257 tax expense in 2021 and $1,840 tax benefit in 2020)	726	(5,269)
Comprehensive loss	$ (1,506)	$ (2,887)