v2.4.0.8

Note 9 - Income Taxes (Details) - Deferred Tax Assets and Liabilities (USD $) In Thousands, unless otherwise specified | Jan. 31, 2014 | Jan. 31, 2013
--- | --- | ---
Deferred tax assets: |  |
Inventory |  | $ 277
Property and equipment, principally due to differing depreciation methods | 134 | 206
Accruals and reserves | 124 | 184
Net research and manufacturer investment credit carryforwards | 2,308 | 2,563
Net operating losses | 13,904 | 14,322
AMT credit carryforwards | 110 | 126
Stock based compensation | 93 | 69
Other | 2 | 2
Total gross deferred tax assets | 16,675 | 17,749
Less: valuation allowance | (16,675) | (17,749)
Net deferred tax assets | $ 0 | $ 0

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