CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Treasury Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Total
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 (loss)				(465)		(465)
Other comprehensive loss					(69)	(69)
Restricted stock plan, amount			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
Beginning balance, shares at Jan. 31, 2020	8,481,665	(509,242)
Beginning balance, amount at Jan. 31, 2020	$ 85	$ 5,023	75,171	17,581	(2,762)	85,052
Net income (loss)				8,634		8,634
Other comprehensive loss					(289)	$ (289)
Restricted stock plan, shares	3,852					0
Restricted stock plan, amount			163			$ 163
Returned of shares in lieu of payroll tax withholding			(20)			(20)
Ending balance, shares at Apr. 30, 2020	8,485,517	(509,242)
Ending balance, amount at Apr. 30, 2020	$ 85	$ (5,023)	$ 75,314	$ 26,215	$ (3,051)	$ 93,540