Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2019	Jan. 31, 2018
Statement of Comprehensive Income [Abstract]
Net loss	$ (1,614)	$ (3,209)
Other comprehensive loss:
Pension adjustments (net of tax $76 and $1,267 in 2019 and 2018, respectively)	217	2,135
Comprehensive loss	$ (1,397)	$ (1,074)