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Segment Data (Details 1) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Oct. 31, 2016 | Oct. 31, 2015 | Oct. 31, 2016 | Oct. 31, 2015 | Jan. 31, 2016
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | $ 23,243 | $ 24,888 | $ 65,881 | $ 79,172 |
Operating Profit (Loss) |  | 2,248 | 3,192 | 4,996 | 12,111 |
Depreciation and Amortization Expense |  | 360 | 240 | 963 | 704 |
Interest Expense |  | 150 | 183 | 522 | 576 |
Income Tax Expense (Benefits) |  | 583 | 882 | 1,548 | 3,676 |
Total assets | [1] | 85,047 |  | 85,047 |  | $ 88,260
Assets Less Intersegment | [1] | 85,050 |  | 85,050 |  | 88,260
Property and Equipment |  | 8,538 |  | 8,538 |  | 9,268
Goodwill |  | 871 |  | 871 |  | 871
Capital Expenditures |  |  |  | 120 | 720 |
Intersegment Sales [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | (8,270) | (11,990) | (25,640) | (36,940) |
External Sales [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | 23,240 | 24,890 | 65,880 | 79,170 |
Intersegment Eliminations [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | 8,270 | 11,990 | 25,640 | 36,940 |
Operating Profit (Loss) |  | 30 | (110) | 90 | (220) |
Depreciation and Amortization Expense |  | 40 | (30) | (40) | (110) |
Interest Expense |  | 0 | 0 | 0 | 0 |
Income Tax Expense (Benefits) |  | 10 | (10) | 20 | (40) |
Total assets | [1] | (51,390) |  | (51,390) |  | (52,520)
Property and Equipment |  | (30) |  | (30) |  | (70)
Unites States [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | 12,750 | 15,960 | 38,090 | 49,120 |
Operating Profit (Loss) |  | 1,580 | 3,110 | 5,620 | 10,800 |
Depreciation and Amortization Expense |  | 40 | 40 | 120 | 110 |
Interest Expense |  | 0 | 0 | 0 | 0 |
Income Tax Expense (Benefits) |  | 0 | 0 | 0 | 0 |
Total assets | [1] | 53,660 |  | 53,660 |  | 48,180
Assets Less Intersegment | [1] | 30,750 |  | 30,750 |  | 33,630
Property and Equipment |  | 2,100 |  | 2,100 |  | 2,200
Goodwill |  | 870 |  | 870 |  | 870
Capital Expenditures |  |  |  | 20 | 60 |
Unites States [Member] | Intersegment Sales [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | 1,490 | 1,300 | 2,850 | 3,140 |
Unites States [Member] | External Sales [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | 11,260 | 14,660 | 35,240 | 45,980 |
Other foreign [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | 5,340 | 3,730 | 12,250 | 10,570 |
Operating Profit (Loss) |  | 810 | 270 | 1,360 | 580 |
Depreciation and Amortization Expense |  | 30 | 10 | 110 | 30 |
Interest Expense |  | 20 | 30 | 80 | 80 |
Income Tax Expense (Benefits) |  | 160 | 80 | 270 | 190 |
Total assets | [1] | 19,470 |  | 19,470 |  | 17,550
Assets Less Intersegment | [1] | 10,830 |  | 10,830 |  | 9,910
Property and Equipment |  | 1,540 |  | 1,540 |  | 1,570
Capital Expenditures |  |  |  | 0 | 60 |
Other foreign [Member] | Intersegment Sales [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | 250 | 120 | 760 | 340 |
Other foreign [Member] | External Sales [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | 5,090 | 3,610 | 11,490 | 10,230 |
Europe (UK) [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | 1,900 | 2,810 | 6,950 | 11,880 |
Operating Profit (Loss) |  | 10 | 260 | 290 | 2,450 |
Depreciation and Amortization Expense |  | 0 | 0 | 0 | 10 |
Interest Expense |  | 0 | 0 | 0 | 10 |
Income Tax Expense (Benefits) |  | 10 | 10 | 40 | 440 |
Total assets | [1] | 4,050 |  | 4,050 |  | 5,050
Assets Less Intersegment | [1] | 4,040 |  | 4,040 |  | 5,030
Property and Equipment |  | 40 |  | 40 |  | 60
Capital Expenditures |  |  |  | 0 | 0 |
Europe (UK) [Member] | Intersegment Sales [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | 0 | 0 | 0 | 10 |
Europe (UK) [Member] | External Sales [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | 1,900 | 2,810 | 6,950 | 11,870 |
Mexico [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | 840 | 1,060 | 2,420 | 2,810 |
Operating Profit (Loss) |  | 40 | 170 | 50 | 80 |
Depreciation and Amortization Expense |  | 30 | 40 | 90 | 110 |
Interest Expense |  | 0 | 0 | 0 | 0 |
Income Tax Expense (Benefits) |  | 0 | 0 | 0 | 0 |
Total assets | [1] | 4,010 |  | 4,010 |  | 4,250
Assets Less Intersegment | [1] | 3,930 |  | 3,930 |  | 4,230
Property and Equipment |  | 2,020 |  | 2,020 |  | 2,110
Capital Expenditures |  |  |  | 0 | 0 |
Mexico [Member] | Intersegment Sales [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | 440 | 620 | 1,290 | 1,720 |
Mexico [Member] | External Sales [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | 400 | 440 | 1,130 | 1,090 |
China [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | 10,410 | 13,000 | 30,370 | 40,180 |
Operating Profit (Loss) |  | 1,370 | 1,160 | 3,150 | 3,350 |
Depreciation and Amortization Expense |  | 80 | 70 | 250 | 240 |
Interest Expense |  | 40 | 30 | 120 | 110 |
Income Tax Expense (Benefits) |  | 360 | 300 | 810 | 780 |
Total assets | [1] | 28,430 |  | 28,430 |  | 29,920
Assets Less Intersegment | [1] | 18,010 |  | 18,010 |  | 17,630
Property and Equipment |  | 2,140 |  | 2,140 |  | 2,370
Capital Expenditures |  |  |  | 30 | 130 |
China [Member] | Intersegment Sales [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | 5,820 | 9,630 | 19,300 | 30,180 |
China [Member] | External Sales [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | 4,590 | 3,370 | 11,070 | 10,000 |
Corporate [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | 270 | 320 | 1,440 | 1,550 |
Operating Profit (Loss) |  | (1,600) | (1,670) | (5,560) | (4,930) |
Depreciation and Amortization Expense |  | 140 | 110 | 430 | 310 |
Interest Expense |  | 90 | 120 | 320 | 380 |
Income Tax Expense (Benefits) |  | 40 | 500 | 410 | 2,310 |
Total assets | [1] | 28,160 |  | 28,160 |  | 37,180
Assets Less Intersegment | [1] | 17,030 |  | 17,030 |  | 17,390
Property and Equipment |  | 700 |  | 700 |  | 1,000
Capital Expenditures |  |  |  | 50 | 470 |
Corporate [Member] | Intersegment Sales [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Net sales from continuing operations |  | 270 | $ 320 | 1,440 | 1,550 |
India [Member] |  |  |  |  |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |  |  |  |  |
Total assets | [1] | (1,340) |  | (1,340) |  | (1,350)
Assets Less Intersegment | [1] | 460 |  | 460 |  | 440
Property and Equipment |  | $ 30 |  | 30 |  | $ 30
Capital Expenditures |  |  |  | $ 20 | $ 0 |
[1] | Negative assets reflect intersegment accounts eliminated in consolidation

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