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Note 2 - Summary of Significant Accounting Policies (Detail) (USD $)
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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) | ||
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Relates to Fair Value of Derivative Liabilities (Member)
|
||||
| Negative Working Capital (in Dollars) | 2,500,000 | |||
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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]
|
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| 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 | ||