CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Total
Beginning balance, shares at Jan. 31, 2018	8,472,640	(356,441)
Beginning balance, amount at Jan. 31, 2018	$ 85	$ (3,352)	$ 74,917	$ 12,841	$ (1,651)	$ 82,840
Net income				1,867		1,867
Other comprehensive loss					(203)	(203)
Restricted stock plan			121			121
Ending balance, shares at Apr. 30, 2018	8,472,640	(356,441)
Ending balance, amount at Apr. 30, 2018	$ 85	$ (3,352)	75,038	14,708	(1,854)	84,625
Beginning balance, shares at Jan. 31, 2019	8,475,929	(462,089)
Beginning balance, amount at Jan. 31, 2019	$ 85	$ (4,517)	75,612	14,300	(2,252)	83,228
Net income				(465)		(465)
Other comprehensive loss					(69)	(69)
Restricted stock plan			201			201
Ending balance, shares at Apr. 30, 2019	8,475,929	(462,089)
Ending balance, amount at Apr. 30, 2019	$ 85	$ (4,517)	$ 75,813	$ 13,835	$ (2,321)	$ 82,895