CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Non-controlling Interests	Total
Balances at Jan. 31, 2020	$ 2,346	$ 148,713	$ 189,306	$ (1,116)	$ 1,781	$ 341,030
Balances (in shares) at Jan. 31, 2020	15,634,969
Net income (loss)			(763)		(30)	(793)
Foreign currency translation loss				(246)		(246)
Stock compensation expense		642				642
Stock option exercises and other share-based award settlements	$ 1	176				177
Stock option exercises and other share-based award settlements (in shares)	10,000
Cash dividends			(3,910)			(3,910)
Balances at Apr. 30, 2020	$ 2,347	149,531	184,633	(1,362)	1,751	336,900
Balances (in shares) at Apr. 30, 2020	15,644,969
Balances at Jan. 31, 2021	$ 2,356	153,282	166,110	(1,081)	1,741	322,408
Balances (in shares) at Jan. 31, 2021	15,702,969
Net income (loss)			10,766			10,766
Foreign currency translation loss				(118)		(118)
Stock compensation expense		679				679
Stock option exercises and other share-based award settlements	$ 10	1,013				$ 1,023
Stock option exercises and other share-based award settlements (in shares)	66,471					26,000
Cash dividends			(3,942)			$ (3,942)
Balances at Apr. 30, 2021	$ 2,366	$ 154,974	$ 172,934	$ (1,199)	$ 1,741	$ 330,816
Balances (in shares) at Apr. 30, 2021	15,769,440