Business and segment information Segment information (Tables)

12 Months Ended

Jan. 31, 2017

Segment information was as follows:



	2016	2015
Net sales
Piping Systems	$98,845	$122,696
Gross profit
Piping Systems	$11,716	$26,741
Income (loss) from operations
Piping Systems	$(2,435)	$10,537
Corporate	(8,353)	(7,659)
Total (loss) income from operations	$(10,788)	$2,878

Segment assets
Piping Systems	$98,855	$112,161
Corporate	2,731	10,229
Total segment assets	$101,586	$122,390
Capital expenditures
Piping Systems	$1,925	$4,762
Corporate	332	289
Total capital expenditures	$2,257	$5,051
Depreciation and amortization
Piping Systems	$5,009	$3,735
Corporate	327	469
Total depreciation and amortization	$5,336	$4,204

Geographic information [Table Text Block]

Geographic information. Net sales are attributed to a geographic area based on the destination of the product shipment. Sales to foreign customers was 57% in 2016 compared to 50% in 2015. Long-lived assets are based on the physical location of the assets and consist of property, plant and equipment used in the generation of revenues in the geographic area.



	2016	2015
Net sales
United States	$42,048	$58,707
Middle East	28,009	60,749
Canada	25,915	2,581
India	2,360	372
Other	513	287
Total net sales	$98,845	$122,696

Property, plant and equipment, net of accumulated depreciation
United States	$11,747	$13,822
Canada	13,276	—
Middle East	10,987	11,211
India	265	367
Total	$36,275	$25,400