v2.4.0.6

Note 2 - Summary of Significant Accounting Policies (Detail) (USD $) | 12 Months Ended |  |
--- | --- | --- | ---
Jan. 31, 2013 | Jan. 31, 2012 | Oct. 31, 2012 | Jul. 31, 2012
Operating Income (Loss) (in Dollars) | $ (3,008,000) | $ (5,263,000) |  |
Negative Working Capital (in Dollars) | 7,000,000 |  |  |
Number of Significant Customers | 1 |  |  |
Engineering and Support Expense (in Dollars) | 900,000 | 1,300,000 |  |
Income Tax Expense (Benefit) (in Dollars) | 2,000 | 2,000 |  |
Deferred Tax Assets, Net (in Dollars) | 17,700,000 | 17,100,000 |  |
Operating Loss Carryforwards (in Dollars) | 2,400,000 | 1,500,000 |  |
Advertising Expense (in Dollars) | 23,000 | 5,000 |  |
Derivative Financial Instruments Liabilities Fair Value Disclosure at Issuance Date (in Dollars) |  |  | 1,400,000 |
Derivative Financial Instruments, Liabilities, Fair Value Disclosure (in Dollars) | 2,466,000 |  |  | 1,365,000
Pre-Tax Losses From Continuing Operations (Member) |  |  |  |
Operating Income (Loss) (in Dollars) | (5,600,000) | (5,300,000) |  |
Relates to Fair Value of Derivative Liabilities (Member) |  |  |  |
Negative Working Capital (in Dollars) | 2,500,000 |  |  |
Warranties for Products Period (Member) |  |  |  |
Number of months | 24 |  |  |
Office Equipment [Member] | Minimum [Member] |  |  |  |
Property, Plant and Equipment, Useful Life | 5 years |  |  |
Office Equipment [Member] | Maximum [Member] |  |  |  |
Property, Plant and Equipment, Useful Life | 7 years |  |  |
equipment and purchased software (Member) | Minimum [Member] |  |  |  |
Property, Plant and Equipment, Useful Life | 2 years |  |  |
equipment and purchased software (Member) | Maximum [Member] |  |  |  |
Property, Plant and Equipment, Useful Life | 5 years |  |  |
Tooling Equipment (Member) |  |  |  |
Property, Plant and Equipment, Useful Life | 18 months |  |  |
Leasehold Improvements [Member] |  |  |  |
Property, Plant and Equipment, Useful Life | 5 years |  |  |
Minimum Tax Due - California (Member) |  |  |  |
Income Tax Expense (Benefit) (in Dollars) | 1,600 | 1,600 |  |
Engineering and Support [Member] |  |  |  |
Increase in Legal Expenses (in Dollars) | 900,000 |  |  |
Selling, General and Administrative [Member] |  |  |  |
Increase in Legal Expenses (in Dollars) | 200,000 |  |  |
Letter of Credit [Member] |  |  |  |
Restricted Cash and Cash Equivalents (in Dollars) | 77,000 |  |  |
Collateral for Credit Card [Member] |  |  |  |
Restricted Cash and Cash Equivalents (in Dollars) | $ 5,000 |  | $ 15,000 |

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