PROPERTY AND EQUIPMENT, NET (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2018	Jan. 31, 2017	Jan. 31, 2016
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 16,937	$ 17,070
Less accumulated depreciation and amortization	(8,907)	(8,805)
Assets held for sale	150	901	$ 200
Construction-in-progress	759	262
Property, Plant and Equipment, Net	8,939	9,428
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	6,116	6,442
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	328	306
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 1,217	1,207
Property, Plant and Equipment, Estimated Useful Lives	Lease term
Land and Building China [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 1,764	1,764
Land and Building Canada [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 1,982	1,864
Property, Plant and Equipment, Useful Life	30 years
Land and Building USA [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 3,460	3,417
Property, Plant and Equipment, Useful Life	30 years
Land and Buildings Mexico [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 2,070	$ 2,070
Property, Plant and Equipment, Useful Life	30 years
Minimum [Member] | Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Minimum [Member] | Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Minimum [Member] | Land and Building China [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	20 years
Maximum [Member] | Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	10 years
Maximum [Member] | Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	10 years
Maximum [Member] | Land and Building China [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	30 years