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Divestiture (Details) (USD $) | 12 Months Ended
--- | ---
Jan. 31, 2013 Installment | Jan. 31, 2012
Divestiture (Textual) [Abstract] |  |
Net sales | $ 1,000,000 |
Note bears interest base point | 0.50% |
Note bears interest rate | 6.00% |
Number of quarterly installments | 16 |
Loss on Sale of Asheboro Operations |  | (681,000)
Closing costs |  | 64,000
Write-off of intangibles |  | 265,000
Revolving line of credit amount | 600,000 |
Outstanding line of credit | 2.00% |
Initial Term For Mutual Agreement | 1 year |
Resolving line of credit | 300,000 |
Purchase commitment period | 3 years |
Purchase commitment for Inventory | $ 3,250,000 |

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