CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive (Loss) Gain	Non-controlling Interests	Total
Balances at Jan. 31, 2018	$ 2,336	$ 143,215	$ 211,112	$ 1,422	$ 43	$ 358,128
Balances (in shares) at Jan. 31, 2018	15,567,719
Net (loss) income			4,837		5	4,842
Foreign currency translation gain (loss)				(579)		(579)
Stock compensation expense		568				568
Cash dividends			(3,892)			(3,892)
Adoption of ASC Topic 606 (Note 2)			38			38
Balances at Apr. 30, 2018	$ 2,336	143,783	212,095	843	48	359,105
Balances (in shares) at Apr. 30, 2018	15,567,719
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) income			(29,800)		(113)	(29,913)
Foreign currency translation gain (loss)				(1,054)		(1,054)
Stock compensation expense		413				413
Exercise of stock options	$ 9	1,558				$ 1,567
Exercise of stock options (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