MANUFACTURING SEGMENT DATA (Details 1) - 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
Revenues from External Customers and Long-Lived Assets [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]
Operating Profit (Loss)		(300)	$ 3,192	$ 5,700	$ 3,220	3,022		$ 1,283	$ 1,798	$ 858	11,812	6,961	[1]
Interest Expense											785	1,688	[1]
Income Tax Expense (Benefits)											3,117	(8,188)	[1]
Depreciation and Amortization Expense											986	1,109	[1]
Total assets	[2]	88,260				93,208	[1]				88,260	93,208	[1]
Assets Less Intersegment	[2]	88,260				93,210					88,260	93,210
Property and Equipment		9,268				10,144	[1]				9,268	10,144	[1]
Capital Expenditures											840	930
Goodwill		871				871	[1]				871	871	[1]
Intersegment Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations											(44,210)	(42,880)
External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations											99,650	93,420
Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations											44,210	42,880
Operating Profit (Loss)											(180)	60
Income Tax Expense (Benefits)											(40)	(50)
Depreciation and Amortization Expense											(170)	(30)
Total assets	[2]	(52,520)				(80,490)					(52,520)	(80,490)
Property and Equipment		(70)				(120)					(70)	(120)
Unites States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations											60,330	54,540
Operating Profit (Loss)											11,380	7,270
Depreciation and Amortization Expense											150	190
Total assets	[2]	48,180				36,350					48,180	36,350
Assets Less Intersegment	[2]	33,630				30,140					33,630	30,140
Property and Equipment		2,200				2,300					2,200	2,300
Capital Expenditures											60	50
Goodwill		870				870					870	870
Unites States [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations											56,540	50,080
Unites States [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations											3,790	4,460
Other foreign [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations											13,320	14,590
Operating Profit (Loss)											(120)	330
Interest Expense											130	70
Income Tax Expense (Benefits)											210	90
Depreciation and Amortization Expense											60	100
Total assets	[2]	17,550				18,000					17,550	18,000
Assets Less Intersegment	[2]	9,910				10,320					9,910	10,320
Property and Equipment		1,570				1,770					1,570	1,770
Capital Expenditures											80	50
Other foreign [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations											12,850	13,120
Other foreign [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations											470	1,470
Europe (UK) [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations											14,530	14,410
Operating Profit (Loss)											2,650	2,170
Interest Expense											20	40
Income Tax Expense (Benefits)											490	460
Depreciation and Amortization Expense											20	20
Total assets	[2]	5,050				6,750					5,050	6,750
Assets Less Intersegment	[2]	5,030				6,750					5,030	6,750
Property and Equipment		60				70					60	70
Capital Expenditures											0	30
Europe (UK) [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations											14,520	14,400
Europe (UK) [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations											10	10
Mexico [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations											3,650	3,660
Operating Profit (Loss)											40	(280)
Income Tax Expense (Benefits)											(210)	(80)
Depreciation and Amortization Expense											120	60
Total assets	[2]	4,250				4,200					4,250	4,200
Assets Less Intersegment	[2]	4,230				4,130					4,230	4,130
Property and Equipment		2,110				2,170					2,110	2,170
Capital Expenditures											40	30
Mexico [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations											1,610	1,610
Mexico [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations											2,040	2,050
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations											50,320	46,760
Operating Profit (Loss)											4,690	4,120
Interest Expense											140	60
Income Tax Expense (Benefits)											1,110	970
Depreciation and Amortization Expense											380	230
Total assets	[2]	29,920				33,040					29,920	33,040
Assets Less Intersegment	[2]	17,630				17,030					17,630	17,030
Property and Equipment		2,370				2,700					2,370	2,700
Capital Expenditures											160	310
China [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations											14,130	14,210
China [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations											36,190	32,550
Brazil [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	[2]	0				6,340					0	6,340
Assets Less Intersegment	[2]	0				6,330					0	6,330
Corporate [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations											1,710	2,340
Operating Profit (Loss)											(6,650)	(6,710)
Interest Expense											500	1,520
Income Tax Expense (Benefits)											1,560	(9,580)
Depreciation and Amortization Expense											430	540
Total assets	[2]	37,180				70,330					37,180	70,330
Assets Less Intersegment	[2]	17,390				18,070					17,390	18,070
Property and Equipment		1,000				1,200					1,000	1,200
Capital Expenditures											500	440
Corporate [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations											1,710	2,340
India [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	[2]	(1,350)				(1,310)					(1,350)	(1,310)
Assets Less Intersegment	[2]	440				440					440	440
Property and Equipment		$ 30				$ 50					30	50
Capital Expenditures											$ 0	$ 20

[1] Restated for discontinued operations

[2] Negative assets reflect intersegment accounts eliminated in consolidation