Unaudited Consolidated Statements of Changes in Equity and Accumulated Other Comprehensive Income (Loss) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Beginning balance (shares) at Jan. 31, 2018		15,357,457
Beginning balance at Jan. 31, 2018	$ 58,712	$ 154	$ 117,465	$ (49,648)	$ (9,259)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(3,572)			(3,572)
Pension adjustments, net of tax effect	127				127
Stock compensation expense	228		228
Cash dividends	$ (231)			(231)
Ending balance (shares) at Apr. 30, 2018	15,357,457	15,357,457
Ending balance at Apr. 30, 2018	$ 55,264	$ 154	117,693	(53,451)	(9,132)
Beginning balance (shares) at Jan. 31, 2019	15,541,956	15,541,956
Beginning balance at Jan. 31, 2019	$ 57,027	$ 155	118,106	(52,192)	(9,042)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(3,067)			(3,067)
Pension adjustments, net of tax effect	130				130
Stock compensation expense	$ 186		186
Ending balance (shares) at Apr. 30, 2019	15,541,956	15,541,956
Ending balance at Apr. 30, 2019	$ 54,276	$ 155	$ 118,292	$ (55,259)	$ (8,912)