MANUFACTURING SEGMENT DATA (Details 1) (USD $)	3 Months Ended										12 Months Ended
	Jan. 31, 2015		Oct. 31, 2014	Jul. 31, 2014	Apr. 30, 2014	Jan. 31, 2014		Oct. 31, 2013	Jul. 31, 2013	Apr. 30, 2013	Jan. 31, 2015		Jan. 31, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 26,524,000		$ 25,093,000	$ 24,610,000	$ 23,507,000	$ 22,222,000		$ 22,787,000	$ 24,639,000	$ 21,737,000	$ 99,733,744		$ 91,384,695
Operating Profit (Loss)											4,957,402		(359,009)
Depreciation and Amortization Expense											1,334,621		1,606,993
Interest Expense											(2,352,201)		(2,186,450)
Income Tax Expense (Benefits)				422,321							(8,337,360)		(2,851,391)
Total assets	93,207,703	[1]				80,482,981	[1]				93,207,703	[1]	80,482,981	[1]
Property and Equipment	11,688,038					12,069,107					11,688,038		12,069,107
Capital Expenditures											900,000		830,000
Goodwill	871,297					871,297					871,297		871,297
External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											99,730,000		91,380,000
Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											42,880,000		39,290,000
Operating Profit (Loss)											60,000		30,000
Depreciation and Amortization Expense											(30,000)		(20,000)
Interest Expense											0		(460,000)
Income Tax Expense (Benefits)											(50,000)		(290,000)
Total assets	(80,490,000)	[1]				(61,830,000)	[1]				(80,490,000)	[1]	(61,830,000)	[1]
Property and Equipment	(120,000)					0					(120,000)		0
Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											(42,880,000)		(39,290,000)
Unites States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											54,540,000		50,530,000
Operating Profit (Loss)											7,270,000		5,220,000
Depreciation and Amortization Expense											190,000		210,000
Total assets	36,350,000	[1]				28,880,000	[1]				36,350,000	[1]	28,880,000	[1]
Property and Equipment	2,300,000					2,420,000					2,300,000		2,420,000
Capital Expenditures											50,000		80,000
Goodwill	870,000					870,000					870,000		870,000
Unites States [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											50,080,000		46,730,000
Unites States [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											4,460,000		3,800,000
Total assets	30,140,000	[1]				30,550,000	[1]				30,140,000	[1]	30,550,000	[1]
Other foreign [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											14,590,000		11,870,000
Operating Profit (Loss)											330,000		(540,000)
Depreciation and Amortization Expense											100,000		140,000
Interest Expense											70,000		110,000
Income Tax Expense (Benefits)											90,000		300,000
Total assets	18,000,000	[1]				15,090,000	[1]				18,000,000	[1]	15,090,000	[1]
Property and Equipment	1,770,000					2,060,000					1,770,000		2,060,000
Capital Expenditures											50,000		70,000
Other foreign [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											13,120,000		10,020,000
Other foreign [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											1,470,000		1,850,000
Total assets	10,320,000	[1]				10,940,000	[1]				10,320,000	[1]	10,940,000	[1]
UK [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											14,410,000		11,570,000
Operating Profit (Loss)											2,170,000		620,000
Depreciation and Amortization Expense											20,000		30,000
Interest Expense											40,000		70,000
Income Tax Expense (Benefits)											460,000		70,000
Total assets	6,750,000	[1]				4,830,000	[1]				6,750,000	[1]	4,830,000	[1]
Property and Equipment	70,000					60,000					70,000		60,000
Capital Expenditures											30,000		10,000
UK [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											14,400,000		11,570,000
UK [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											10,000		0
Total assets	6,750,000	[1]				4,840,000	[1]				6,750,000	[1]	4,840,000	[1]
Mexico [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											3,660,000		3,170,000
Operating Profit (Loss)											(280,000)		(10,000)
Depreciation and Amortization Expense											60,000		50,000
Interest Expense											0		90,000
Income Tax Expense (Benefits)											(80,000)		20,000
Total assets	4,200,000	[1]				3,730,000	[1]				4,200,000	[1]	3,730,000	[1]
Property and Equipment	2,170,000					2,090,000					2,170,000		2,090,000
Capital Expenditures											30,000		10,000
Mexico [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											1,610,000		1,260,000
Mexico [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											2,050,000		1,910,000
Total assets	4,130,000	[1]				3,660,000	[1]				4,130,000	[1]	3,660,000	[1]
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											46,760,000		44,300,000
Operating Profit (Loss)											4,120,000		3,540,000
Depreciation and Amortization Expense											230,000		250,000
Interest Expense											60,000		30,000
Income Tax Expense (Benefits)											970,000		920,000
Total assets	33,040,000	[1]				30,120,000	[1]				33,040,000	[1]	30,120,000	[1]
Property and Equipment	2,700,000					2,640,000					2,700,000		2,640,000
Capital Expenditures											310,000		440,000
China [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											14,280,000		14,760,000
China [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											32,480,000		29,540,000
Total assets	17,030,000	[1]				15,290,000	[1]				17,030,000	[1]	15,290,000	[1]
Brazil [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											6,310,000		7,210,000
Operating Profit (Loss)											(2,000,000)		(4,410,000)
Depreciation and Amortization Expense											220,000		350,000
Interest Expense											660,000		1,080,000
Income Tax Expense (Benefits)											(150,000)		0
Total assets	6,340,000	[1]				3,650,000	[1]				6,340,000	[1]	3,650,000	[1]
Property and Equipment	1,540,000					1,860,000					1,540,000		1,860,000
Capital Expenditures											20,000		90,000
Brazil [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											6,240,000		7,040,000
Brazil [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											70,000		170,000
Total assets	6,330,000	[1]				6,910,000	[1]				6,330,000	[1]	6,910,000	[1]
Corporate [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											2,340,000		2,020,000
Operating Profit (Loss)											(6,710,000)		(4,810,000)
Depreciation and Amortization Expense											540,000		600,000
Interest Expense											1,520,000		1,270,000
Income Tax Expense (Benefits)											(9,580,000)		(3,870,000)
Total assets	70,330,000	[1]				57,200,000	[1]				70,330,000	[1]	57,200,000	[1]
Property and Equipment	1,210,000					910,000					1,210,000		910,000
Capital Expenditures											390,000		130,000
Corporate [Member] | External Sales [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											0		0
Corporate [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales											2,340,000		2,020,000
Total assets	18,070,000	[1]				7,680,000	[1]				18,070,000	[1]	7,680,000	[1]
India [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	(1,310,000)	[1]				(1,190,000)	[1]				(1,310,000)	[1]	(1,190,000)	[1]
Property and Equipment	50,000					30,000					50,000		30,000
Capital Expenditures											20,000		0
India [Member] | Intersegment Eliminations [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Total assets	$ 440,000	[1]				$ 610,000	[1]				$ 440,000	[1]	$ 610,000	[1]

[1] Negative assets reflect intersegment accounts eliminated in consolidation