CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2017	Oct. 31, 2016
Net sales and revenue	$ 121,164	$ 116,283	$ 343,051	$ 332,212
Cost of sales	106,297	96,121	304,914	286,344
Gross profit	14,867	20,162	38,137	45,868
Selling, general and administrative expenses	(7,347)	(5,082)	(17,528)	(14,315)
Equity in income of unconsolidated affiliates	1,094	1,838	1,931	3,257
(Loss) gain on sale of investment			(13)	192
(Loss) gain on disposal of property and equipment, net	(100)	179	(87)	364
Interest and other income	745	117	1,294	374
Income before income taxes	9,259	17,214	23,734	35,740
Benefit (provision) for income taxes	5,735	(5,740)	1,043	(11,771)
Net income	14,994	11,474	24,777	23,969
Net income attributable to noncontrolling interests	(1,826)	(2,536)	(4,124)	(4,017)
Net income attributable to REX common shareholders	$ 13,168	$ 8,938	$ 20,653	$ 19,952
Weighted average shares outstanding – basic and diluted (in Shares)	6,597	6,590	6,594	6,591
Basic and diluted net income per share attributable to REX common shareholders (in Dollars per share)	$ 2.00	$ 1.36	$ 3.13	$ 3.03