Consolidated Balance Sheet Detail - Schedule of Inventories (Detail) - USD ($) $ in Thousands |
Jul. 31, 2018 |
Jan. 31, 2018 |
|---|---|---|
| Inventory Disclosure [Abstract] | ||
| Components and assemblies | $ 579 | $ 426 |
| Finished products | 197 | 240 |
| Total inventories, net | $ 776 | $ 666 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- 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://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- 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://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- 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://fasb.org/us-gaap/role/ref/legacyRef
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