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Note 19 - Other Charges (Details) - Changes in Restructuring Provision - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jan. 31, 2016 | Jan. 31, 2015 | Jan. 31, 2014
Fiscal 2015 Restructuring Plan [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Balance | $ 446 |  |
Balance | 141 | $ 446 |
Accruals and adjustments | 50 | 715 |
Cash draw downs | (355) | (269) |
Fiscal 2014 Restructuring Plan [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Balance | 25 | 148 |
Balance |  | 25 | $ 148
Accruals and adjustments | 33 | 100 | 1,904
Cash draw downs | (57) | (215) |
Foreign exchange | (1) | (8) |
Workforce Reduction [Member] | Fiscal 2015 Restructuring Plan [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Balance | 226 |  |
Balance |  | 226 |
Accruals and adjustments | 24 | 464 |
Cash draw downs | (250) | (238) |
Workforce Reduction [Member] | Fiscal 2014 Restructuring Plan [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Balance |  | 52 |
Balance |  |  | 52
Accruals and adjustments |  | 64 |
Cash draw downs |  | (116) |
Facility Closing [Member] | Fiscal 2015 Restructuring Plan [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Balance | 220 |  |
Balance | 141 | 220 |
Accruals and adjustments | 14 | 224 |
Cash draw downs | (93) | (4) |
Facility Closing [Member] | Fiscal 2014 Restructuring Plan [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Balance | 25 | 96 |
Balance |  | 25 | $ 96
Accruals and adjustments | 33 | 36 |
Cash draw downs | (57) | (99) |
Foreign exchange | (1) | (8) |
Other Restructuring [Member] | Fiscal 2015 Restructuring Plan [Member] |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Accruals and adjustments | 12 | 27 |
Cash draw downs | $ (12) | $ (27) |

X
- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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- Definition Amount of gain (loss) from translating a restructuring reserve to the currency of the reporting entity from an amount denominated or measured in a different currency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)(2)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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