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Inventories - Schedule of Inventories (Detail) (USD $)
In Thousands, unless otherwise specified |
Apr. 30, 2015
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Jan. 31, 2015
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| Inventory Disclosure [Abstract] | ||
| Components and assemblies | $ 1,296us-gaap_InventoryRawMaterialsNetOfReserves | $ 1,487us-gaap_InventoryRawMaterialsNetOfReserves |
| Finished products | 1,622us-gaap_InventoryFinishedGoodsNetOfReserves | 1,377us-gaap_InventoryFinishedGoodsNetOfReserves |
| Total inventory | $ 2,918us-gaap_InventoryNet | $ 2,864us-gaap_InventoryNet |
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- Details
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- Definition
Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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