SEGMENT REPORTING (Details 1) - USD ($) $ in Thousands		3 Months Ended												12 Months Ended
		Jan. 31, 2018	Oct. 31, 2017	Jul. 31, 2017	Apr. 30, 2017	Jan. 31, 2017	Oct. 31, 2016	Jul. 31, 2016	Apr. 30, 2016	Jan. 31, 2016	Oct. 31, 2015	Jul. 31, 2015	Apr. 30, 2015	Jan. 31, 2018	Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2006
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		$ 25,157	$ 23,960	$ 23,909	$ 22,961	$ 20,302	$ 23,243	$ 22,269	$ 20,369	$ 20,474	$ 24,888	$ 29,465	$ 24,819	$ 95,987	$ 86,183	$ 99,646
Operating Profit (Loss)		1,157	$ 2,665	$ 2,182	$ 2,473	1,799	$ 2,248	$ 2,631	$ 169	$ (300)	$ 3,192	$ 5,700	$ 3,220	8,477	6,847	11,812
Depreciation and Amortization Expense														775	1,194	986
Interest Expense														163	620	785
Income Tax Expense (Benefits)														7,903	2,380	3,117
Total assets	[1]	94,531				84,554								94,531	84,554
Assets Less Intersegment	[1]	94,530				84,550								94,530	84,550
Property and Equipment		8,789				8,527								8,789	8,527
Capital Expenditures														910	410	840
Goodwill		871				871								871	871		$ 900
Intersegment Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations														(44,620)	(34,090)	(44,210)
External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations														95,990	86,180	99,650
Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations														44,620	34,090	44,210
Operating Profit (Loss)														60	150	(180)
Depreciation and Amortization Expense														(50)	(50)	(170)
Income Tax Expense (Benefits)														0	20	(40)
Total assets	[1]	(55,120)				(52,730)								(55,120)	(52,730)
Property and Equipment		30				(20)								30	(20)
Unites States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations														54,790	50,460	60,330
Operating Profit (Loss)														10,150	8,090	11,380
Depreciation and Amortization Expense														120	150	150
Income Tax Expense (Benefits)														0	0	0
Total assets	[1]	67,020				56,340								67,020	56,340
Assets Less Intersegment	[1]	33,160				30,940								33,160	30,940
Property and Equipment		1,990				2,090								1,990	2,090
Capital Expenditures														30	40	60
Goodwill		870				870								870	870
Unites States [Member] | Intersegment Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations														4,340	3,920	3,790
Unites States [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations														50,450	46,540	56,540
Other foreign [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations														18,610	15,170	13,320
Operating Profit (Loss)														2,540	1,550	(120)
Depreciation and Amortization Expense														150	150	60
Interest Expense														50	100	130
Income Tax Expense (Benefits)														670	230	210
Total assets	[1]	20,300				18,160								20,300	18,160
Assets Less Intersegment	[1]	12,610				10,170								12,610	10,170
Property and Equipment		1,500				1,550								1,500	1,550
Capital Expenditures														0	10	80
Other foreign [Member] | Intersegment Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations														1,740	970	470
Other foreign [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations														16,870	14,200	12,850
Europe (UK) [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations														9,110	8,970	14,530
Operating Profit (Loss)														160	340	2,650
Depreciation and Amortization Expense														10	0	20
Interest Expense														10	10	20
Income Tax Expense (Benefits)														50	140	490
Total assets	[1]	4,630				3,610								4,630	3,610
Assets Less Intersegment	[1]	4,630				3,580								4,630	3,580
Property and Equipment		30				30								30	30
Capital Expenditures														0	0	0
Europe (UK) [Member] | Intersegment Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations														40	0	10
Europe (UK) [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations														9,070	8,970	14,520
Mexico [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations														3,870	3,270	3,650
Operating Profit (Loss)														(20)	(20)	40
Depreciation and Amortization Expense														110	120	120
Income Tax Expense (Benefits)														0	80	(210)
Total assets	[1]	4,690				3,990								4,690	3,990
Assets Less Intersegment	[1]	4,840				4,070								4,840	4,070
Property and Equipment		1,990				2,050								1,990	2,050
Capital Expenditures														60	50	40
Mexico [Member] | Intersegment Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations														1,390	1,610	2,040
Mexico [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations														2,480	1,660	1,610
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations														52,630	40,640	50,320
Operating Profit (Loss)														3,280	4,090	4,690
Depreciation and Amortization Expense														250	250	380
Interest Expense														0	120	140
Income Tax Expense (Benefits)														600	1,110	1,110
Total assets	[1]	31,590				30,540								31,590	30,540
Assets Less Intersegment	[1]	16,970				18,440								16,970	18,440
Property and Equipment		1,920				2,050								1,920	2,050
Capital Expenditures														120	60	160
China [Member] | Intersegment Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations														35,510	25,830	36,190
China [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations														17,120	14,810	14,130
Brazil [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Depreciation and Amortization Expense														180	570	430
India [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	[1]	(850)				(1,360)								(850)	(1,360)
Assets Less Intersegment	[1]	980				430								980	430
Property and Equipment		150				30								150	30
Capital Expenditures														140	20	0
Corporate [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations														1,600	1,760	1,710
Operating Profit (Loss)														(7,690)	(7,350)	(6,650)
Interest Expense														100	390	500
Income Tax Expense (Benefits)														6,580	800	1,560
Total assets	[1]	22,270				26,000								22,270	26,000
Assets Less Intersegment	[1]	21,340				16,920								21,340	16,920
Property and Equipment		$ 1,180				$ 750								1,180	750
Capital Expenditures														560	230	500
Corporate [Member] | Intersegment Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations														$ 1,600	$ 1,760	$ 1,710

[1] Negative assets reflect intersegment amounts eliminated in consolidation