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MANUFACTURING SEGMENT DATA (Details 1) (USD $)	3 Months Ended										12 Months Ended
	Jan. 31, 2014		Oct. 31, 2013	Jul. 31, 2013	Apr. 30, 2013	Jan. 31, 2013		Oct. 31, 2012	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2014		Jan. 31, 2013		Jan. 31, 2012
Net Sales from Continuing Operations:
Net sales from continuing operations	$ 22,222,000		$ 22,787,000	$ 24,639,000	$ 21,737,000	$ 23,399,000		$ 24,239,000	$ 23,499,000	$ 23,981,000	$ 91,384,695		$ 95,117,539
External Sales from Continuing Operations:
Revenues											91,380,000		95,120,000
Intersegment Sales from Continuing Operations:
Segment Information, Intersegment Revenue											39,290,000		26,940,000
Operating Loss from Continuing Operations:
Operating profit from continuing operations											(359,009)		(1,030,168)
Interest Expense from Continuing Operations:
Interest expense											2,186,450		913,446
Income Tax Expense (Benefit) from Continuing Operations:
Provision (benefit) for income taxes on continuing operations											(2,851,391)		5,035,764
Depreciation and Amortization Expense:
Depreciation and amortization											1,606,993		1,550,865
Total Assets (at Balance Sheet Date):
Total assets	83,749,525	[1]				83,318,003	[1]				83,749,525	[1]	83,318,003	[1]
Property and Equipment (at Balance Sheet Date):
Long-Lived Assets	12,070,000					14,090,000					12,070,000		14,090,000
Capital Expenditures:
Capital Expenditures											830,000		1,380,000
Goodwill
Goodwill	871,297					871,297					871,297		871,297		6,132,954
Corporate [Member]
Net Sales from Continuing Operations:
Net sales from continuing operations											2,020,000		750,000
External Sales from Continuing Operations:
Revenues											0		0
Intersegment Sales from Continuing Operations:
Segment Information, Intersegment Revenue											2,020,000		750,000
Operating Loss from Continuing Operations:
Operating profit from continuing operations											(4,800,000)		(4,660,000)
Interest Expense from Continuing Operations:
Interest expense											1,270,000		490,000
Income Tax Expense (Benefit) from Continuing Operations:
Provision (benefit) for income taxes on continuing operations											(3,870,000)		3,260,000
Depreciation and Amortization Expense:
Depreciation and amortization											600,000		360,000
Total Assets (at Balance Sheet Date):
Total assets	(4,630,000)	[1]				470,000	[1]				(4,630,000)	[1]	470,000	[1]
Property and Equipment (at Balance Sheet Date):
Long-Lived Assets	910,000					920,000					910,000		920,000
Capital Expenditures:
Capital Expenditures											130,000		80,000
Goodwill
Goodwill	0					0					0		0
USA [Member]
Net Sales from Continuing Operations:
Net sales from continuing operations											50,530,000		43,130,000
External Sales from Continuing Operations:
Revenues											46,730,000		40,760,000
Intersegment Sales from Continuing Operations:
Segment Information, Intersegment Revenue											3,800,000		2,360,000
Operating Loss from Continuing Operations:
Operating profit from continuing operations											5,220,000		1,110,000
Interest Expense from Continuing Operations:
Interest expense											0		0
Income Tax Expense (Benefit) from Continuing Operations:
Provision (benefit) for income taxes on continuing operations											0		0
Depreciation and Amortization Expense:
Depreciation and amortization											210,000		270,000
Total Assets (at Balance Sheet Date):
Total assets	28,880,000	[1]				23,660,000	[1]				28,880,000	[1]	23,660,000	[1]
Property and Equipment (at Balance Sheet Date):
Long-Lived Assets	2,420,000					2,550,000					2,420,000		2,550,000
Capital Expenditures:
Capital Expenditures											80,000		190,000
Goodwill
Goodwill	870,000					870,000					870,000		870,000
Other foreign [Member]
Net Sales from Continuing Operations:
Net sales from continuing operations											23,440,000		21,130,000
External Sales from Continuing Operations:
Revenues											21,590,000		20,580,000
Intersegment Sales from Continuing Operations:
Segment Information, Intersegment Revenue											1,850,000		560,000
Operating Loss from Continuing Operations:
Operating profit from continuing operations											80,000		710,000
Interest Expense from Continuing Operations:
Interest expense											180,000		140,000
Income Tax Expense (Benefit) from Continuing Operations:
Provision (benefit) for income taxes on continuing operations											370,000		120,000
Depreciation and Amortization Expense:
Depreciation and amortization											170,000		190,000
Total Assets (at Balance Sheet Date):
Total assets	19,930,000	[1]				13,190,000	[1]				19,930,000	[1]	13,190,000	[1]
Property and Equipment (at Balance Sheet Date):
Long-Lived Assets	2,140,000					2,380,000					2,140,000		2,380,000
Capital Expenditures:
Capital Expenditures											80,000		70,000
Goodwill
Goodwill	0					0					0		0
Mexico [Member]
Net Sales from Continuing Operations:
Net sales from continuing operations											3,170,000		2,380,000
External Sales from Continuing Operations:
Revenues											1,260,000		730,000
Intersegment Sales from Continuing Operations:
Segment Information, Intersegment Revenue											1,910,000		1,650,000
Operating Loss from Continuing Operations:
Operating profit from continuing operations											(10,000)		(40,000)
Interest Expense from Continuing Operations:
Interest expense											90,000		50,000
Income Tax Expense (Benefit) from Continuing Operations:
Provision (benefit) for income taxes on continuing operations											20,000		10,000
Depreciation and Amortization Expense:
Depreciation and amortization											50,000		40,000
Total Assets (at Balance Sheet Date):
Total assets	3,730,000	[1]				3,590,000	[1]				3,730,000	[1]	3,590,000	[1]
Property and Equipment (at Balance Sheet Date):
Long-Lived Assets	2,090,000					2,210,000					2,090,000		2,210,000
Capital Expenditures:
Capital Expenditures											10,000		330,000
Goodwill
Goodwill	0					0					0		0
China [Member]
Net Sales from Continuing Operations:
Net sales from continuing operations											44,300,000		37,810,000
External Sales from Continuing Operations:
Revenues											14,760,000		16,190,000
Intersegment Sales from Continuing Operations:
Segment Information, Intersegment Revenue											29,540,000		21,620,000
Operating Loss from Continuing Operations:
Operating profit from continuing operations											3,540,000		2,880,000
Interest Expense from Continuing Operations:
Interest expense											30,000		0
Income Tax Expense (Benefit) from Continuing Operations:
Provision (benefit) for income taxes on continuing operations											920,000		560,000
Depreciation and Amortization Expense:
Depreciation and amortization											250,000		330,000
Total Assets (at Balance Sheet Date):
Total assets	30,110,000	[1]				26,660,000	[1]				30,110,000	[1]	26,660,000	[1]
Property and Equipment (at Balance Sheet Date):
Long-Lived Assets	2,640,000					3,280,000					2,640,000		3,280,000
Capital Expenditures:
Capital Expenditures											440,000		630,000
Goodwill
Goodwill	0					0					0		0
Brazil [Member]
Net Sales from Continuing Operations:
Net sales from continuing operations											7,210,000		16,860,000
External Sales from Continuing Operations:
Revenues											7,040,000		16,860,000
Intersegment Sales from Continuing Operations:
Segment Information, Intersegment Revenue											170,000		0
Operating Loss from Continuing Operations:
Operating profit from continuing operations											(4,410,000)		(1,610,000)
Interest Expense from Continuing Operations:
Interest expense											1,080,000		970,000
Income Tax Expense (Benefit) from Continuing Operations:
Provision (benefit) for income taxes on continuing operations											0		910,000
Depreciation and Amortization Expense:
Depreciation and amortization											350,000		360,000
Total Assets (at Balance Sheet Date):
Total assets	6,920,000	[1]				14,140,000	[1]				6,920,000	[1]	14,140,000	[1]
Property and Equipment (at Balance Sheet Date):
Long-Lived Assets	1,860,000					2,750,000					1,860,000		2,750,000
Capital Expenditures:
Capital Expenditures											90,000		80,000
Goodwill
Goodwill	0					0					0		0
India [Member]
Depreciation and Amortization Expense:
Depreciation and amortization											0		0
Total Assets (at Balance Sheet Date):
Total assets	(1,190,000)	[1]				1,610,000	[1]				(1,190,000)	[1]	1,610,000	[1]
Property and Equipment (at Balance Sheet Date):
Long-Lived Assets	10,000					0					10,000		0
Capital Expenditures:
Capital Expenditures											0		0
Goodwill
Goodwill	0					0					0		0
Intersegment [Member]
Net Sales from Continuing Operations:
Net sales from continuing operations											(39,290,000)		(26,940,000)
Operating Loss from Continuing Operations:
Operating profit from continuing operations											30,000		580,000
Interest Expense from Continuing Operations:
Interest expense											(460,000)		(740,000)
Income Tax Expense (Benefit) from Continuing Operations:
Provision (benefit) for income taxes on continuing operations											(290,000)		180,000
Depreciation and Amortization Expense:
Depreciation and amortization											$ (20,000)		$ 0
[1] Negative assets reflect intersegment accounts eliminated in consolidation

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