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, 2019	$ 2,337	$ 144,961	$ 247,616	$ (346)	$ (196)	$ 394,372
Balances (in shares) at Jan. 31, 2019	15,573,869
Net loss			(29,800)		(113)	(29,913)
Foreign currency translation loss				(1,054)		(1,054)
Stock compensation expense		413				413
Stock option exercises	$ 9	1,558				$ 1,567
Stock option exercises (in shares)	59,433					59,000
Cash dividends			(3,895)			$ (3,895)
Balances at Apr. 30, 2019	$ 2,346	146,932	213,921	(1,400)	(309)	361,490
Balances (in shares) at Apr. 30, 2019	15,633,302
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 loss			(763)		(30)	(793)
Foreign currency translation loss				(246)		(246)
Stock compensation expense		642				642
Stock option exercises	$ 1	176				$ 177
Stock option exercises (in shares)	10,000					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