CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Loss	Non-controlling Interests	Total
Balances at Jan. 31, 2021	$ 2,356	$ 153,315	$ 166,110	$ (33)	$ (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 gain (loss)					(118)		(118)
Stock compensation expense		679					679
Stock option exercises	$ 10	1,013					1,023
Stock option exercises (in shares)	66,471
Cash dividends			(3,942)				(3,942)
Balances at Apr. 30, 2021	$ 2,366	155,007	172,934	(33)	(1,199)	1,741	330,816
Balances (in shares) at Apr. 30, 2021	15,769,440
Retained earnings							188,690
Balances at Jan. 31, 2022	$ 2,368	158,190	188,690	(20,405)	(2,451)	(797)	325,595
Balances (in shares) at Jan. 31, 2022	15,257,688
Net income (loss)			7,485				7,485
Foreign currency translation gain (loss)					(1,264)		(1,264)
Stock compensation expense		920					920
Stock option exercises	$ 6	60					$ 66
Stock option exercises (in shares)	39,099						2,000
Common stock repurchases				(27,077)			$ (27,077)
Common stock repurchases (in shares)	(710,879)						(710,879)
Cash dividends			(3,712)				$ (3,712)
Balances at Apr. 30, 2022	$ 2,374	$ 159,170	$ 192,463	$ (47,482)	$ (3,715)	$ (797)	302,013
Balances (in shares) at Apr. 30, 2022	14,585,908
Retained earnings							$ 192,463