MANUFACTURING SEGMENT DATA (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 31, 2016	Oct. 31, 2015	Jul. 31, 2015	Apr. 30, 2015	Jan. 31, 2015	Oct. 31, 2014	Jul. 31, 2014	Apr. 30, 2014	Jan. 31, 2016	Jan. 31, 2015
Segment Reporting Information [Line Items]
Net sales from continuing operations	$ 20,473	$ 24,888	$ 29,465	$ 24,819	$ 25,306	$ 23,543	$ 22,812	$ 21,758	$ 99,646	$ 93,419	[1]
Domestic [Member]
Segment Reporting Information [Line Items]
Net sales from continuing operations									$ 56,540	$ 50,080
Sales Revenue, Percentage									56.74%	53.60%
International [Member]
Segment Reporting Information [Line Items]
Net sales from continuing operations									$ 43,110	$ 43,340
Sales Revenue, Percentage									43.26%	46.40%
Sales Revenue, Net [Member]
Segment Reporting Information [Line Items]
Net sales from continuing operations									$ 99,650	$ 93,420
Sales Revenue, Percentage									100.00%	100.00%

[1] Restated for discontinued operations