Segment Data (Details 1) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended			12 Months Ended
		Oct. 31, 2015	Oct. 31, 2014		Oct. 31, 2015	Oct. 31, 2014		Jan. 31, 2015
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		$ 24,888	$ 23,543	[1]	$ 79,172	$ 68,114	[1]
Operating Profit (Loss)		3,192	1,283	[1]	12,111	3,939	[1]
Depreciation and Amortization Expense		240	270		704	832	[1]
Interest Expense		183	511	[1]	576	1,515	[1]
Income Tax Expense (Benefits)		882	282	[1]	3,676	981	[1]
Total assets	[2]	91,517			91,517			$ 93,208	[1]
Property and Equipment		9,614			9,614			10,144	[1]
Capital Expenditures					720			880
Goodwill		871			871			871	[1]
External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		24,890	23,540		79,170	68,110
Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		11,990	10,200		36,940	31,000
Operating Profit (Loss)		(110)	70		(220)	150
Depreciation and Amortization Expense		(30)	(10)		(110)	(20)
Interest Expense		0	0		0	0
Income Tax Expense (Benefits)		(10)	20		(40)	20
Total assets	[2]	(56,020)			(56,020)			(80,490)
Assets Less Intersegment	[2]	91,520			91,520			93,210
Property and Equipment		(100)			(100)			(120)
Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		(11,990)	(10,200)		(36,940)	(31,000)
Unites States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		15,960	14,760		49,120	40,470
Operating Profit (Loss)		3,110	2,650		10,800	5,120
Depreciation and Amortization Expense		40	40		110	130
Interest Expense		0	0		0	0
Income Tax Expense (Benefits)		0	0		0	0
Total assets	[2]	48,000			48,000			36,350
Property and Equipment		2,230			2,230			2,300
Capital Expenditures					60			50
Goodwill		870			870			870
Unites States [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		14,660	13,000		45,980	37,170
Unites States [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		1,300	1,760		3,140	3,300
Assets Less Intersegment	[2]	38,670			38,670			30,140
Other foreign [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		3,730	4,550		10,570	11,430
Operating Profit (Loss)		270	150		580	390
Depreciation and Amortization Expense		10	20		30	80
Interest Expense		30	30		80	50
Income Tax Expense (Benefits)		80	170		190	330
Total assets	[2]	18,740			18,740			18,000
Property and Equipment		1,680			1,680			1,770
Capital Expenditures					60			50
Other foreign [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		3,610	3,790		10,230	10,170
Other foreign [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		120	760		340	1,260
Assets Less Intersegment	[2]	11,010			11,010			10,320
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		2,810	3,270		11,880	9,790
Operating Profit (Loss)		260	270		2,450	800
Depreciation and Amortization Expense		0	10		10	10
Interest Expense		0	0		10	30
Income Tax Expense (Benefits)		10	60		440	160
Total assets	[2]	5,860			5,860			6,750
Property and Equipment		60			60			70
Capital Expenditures					0			30
Europe [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		2,810	3,270		11,870	9,790
Europe [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		0	0		10	0
Assets Less Intersegment	[2]	5,850			5,850			6,750
Mexico [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		1,060	850		2,810	2,620
Operating Profit (Loss)		170	(50)		80	(260)
Depreciation and Amortization Expense		40	10		110	40
Interest Expense		0	0		0	0
Income Tax Expense (Benefits)		0	0		0	(60)
Total assets	[2]	4,020			4,020			4,200
Property and Equipment		2,140			2,140			2,170
Capital Expenditures					0			30
Mexico [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		440	380		1,090	1,070
Mexico [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		620	470		1,720	1,550
Assets Less Intersegment	[2]	4,020			4,020			4,130
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		13,000	9,960		40,180	33,280
Operating Profit (Loss)		1,160	540		3,350	2,800
Depreciation and Amortization Expense		70	50		240	160
Interest Expense		30	40		110	30
Income Tax Expense (Benefits)		300	190		780	690
Total assets	[2]	32,040			32,040			33,040
Property and Equipment		2,520			2,520			2,700
Capital Expenditures					130			310
China [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		3,370	3,100		10,000	9,910
China [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		9,630	6,860		30,180	23,370
Assets Less Intersegment	[2]	16,140			16,140			17,030
Brazil [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	[2]	0			0			6,340
Brazil [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets Less Intersegment	[2]	0			0			6,330
Corporate [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		320	350		1,550	1,520
Operating Profit (Loss)		(1,670)	(2,350)		(4,930)	(5,060)
Depreciation and Amortization Expense		110	150		310	440
Interest Expense		120	440		380	1,410
Income Tax Expense (Benefits)		500	(160)		2,310	(160)
Total assets	[2]	40,340			40,340			70,330
Property and Equipment		1,050			1,050			1,200
Capital Expenditures					470			390
Corporate [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales from continuing operations		320	$ 350		1,550	$ 1,520
Assets Less Intersegment	[2]	15,510			15,510			18,070
India [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	[2]	(1,460)			(1,460)			(1,310)
Property and Equipment		30			30			50
Capital Expenditures					0			20
India [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets Less Intersegment	[2]	$ 320			$ 320			$ 440

[1] Restated for discontinued operations.

[2] Negative assets reflect intersegment accounts eliminated in consolidation