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Debt Narrative (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Jan. 31, 2013 | Jan. 31, 2012
Line of Credit Facility [Line Items] |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 38,000,000 |
Line of Credit Facility, Expiration Date | Nov. 30, 2016 |
Debt Instrument, Maturity Date | Nov. 30, 2013 |
Line of Credit Facility, Dividend Restrictions | do not permit payment of dividends |
Current Fiscal Year End Date | --01-31 |
Foreign line of credit | 2,529,000 | 1,526,000
Restricted Cash and Cash Equivalents | 725,000 | 1,854,000
Line of Credit Facility, Covenant Compliance | in compliance with all covenants under the Loan Agreement |
Line of Credit Facility, Interest Rate Description | (a) a margin in effect plus a prime rate; or (b) a margin in effect plus the LIBOR rate for the corresponding interest period. |
Line of Credit Facility, Interest Rate at Period End | 3.25% |
Line of Credit Facility, Remaining Borrowing Capacity | 2,900,000 |
Letters of Credit Outstanding, Amount | 200,000 |
Revolving Credit Facility [Member] |  |
Line of Credit Facility [Line Items] |  |
Line of Credit Facility, Interest Rate at Period End | 0.25% |
Debt Instrument, Basis Spread on Variable Rate | 2.75% |
Line of Credit [Member] |  |
Line of Credit Facility [Line Items] |  |
Debt Instrument, Basis Spread on Variable Rate | 0.50% |
UNITED STATES |  |
Line of Credit Facility [Line Items] |  |
Revolving line | 13,989,000 | 18,252,000
Line of Credit Facility, Remaining Borrowing Capacity | $ 4,800,000 |

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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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