|
Note 2 - Summary of Significant Accounting Policies (Details) (USD $)
|
12 Months Ended | 0 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Jan. 31, 2014
|
Jan. 31, 2013
|
Feb. 04, 2014
Subsequent Event [Member]
Including Accrued Liabilities [Member]
Chicony Power Technology Company Ltd [Member]
|
Feb. 04, 2014
Subsequent Event [Member]
Chicony Power Technology Company Ltd [Member]
|
Feb. 04, 2014
Subsequent Event [Member]
|
Jan. 31, 2014
Pre-Tax Losses From Continuing Operations (Member)
|
Jan. 31, 2013
Pre-Tax Losses From Continuing Operations (Member)
|
Jan. 31, 2014
Relates to Fair Value of Derivative Liabilities (Member)
|
Jan. 31, 2014
Warranties for Products Period (Member)
|
Jan. 31, 2014
Office Equipment [Member]
Minimum [Member]
|
Jan. 31, 2014
Office Equipment [Member]
Maximum [Member]
|
Jan. 31, 2014
equipment and purchased software (Member)
Minimum [Member]
|
Jan. 31, 2014
equipment and purchased software (Member)
Maximum [Member]
|
Jan. 31, 2014
Tooling Equipment (Member)
|
Jan. 31, 2014
Leasehold Improvements [Member]
|
Jan. 31, 2014
Engineering and Support Expense [Member]
|
Jan. 31, 2014
Selling General And Administrative Expense [Member]
|
Jan. 31, 2013
Selling General And Administrative Expense [Member]
|
Jan. 31, 2014
Broadwood Warrants [Member]
|
Jan. 31, 2014
Elkhorn Conversion Features [Member]
Chicony Power Technology Company Ltd [Member]
|
Jan. 31, 2014
Minimum Tax Due - California (Member)
|
Jan. 31, 2013
Minimum Tax Due - California (Member)
|
Jan. 31, 2014
Letter of Credit [Member]
|
Jan. 31, 2014
Collateral for Credit Card [Member]
|
Jan. 31, 2013
Created in Fiscal 2013 [Member]
|
|
| Note 2 - Summary of Significant Accounting Policies (Details) [Line Items] | |||||||||||||||||||||||||
| Operating Income (Loss) | $ (2,233,000) | $ (3,008,000) | $ (2,100,000) | $ (5,600,000) | |||||||||||||||||||||
| Loss Contingency, Claims Settled, Number | 2 | ||||||||||||||||||||||||
| Litigation Settlement, Amount | 10,800,000 | 9,700,000 | |||||||||||||||||||||||
| Previously Accrued Seeking Payments | 1,100,000 | ||||||||||||||||||||||||
| Negative Working Capital | 7,800,000 | 2,500,000 | |||||||||||||||||||||||
| Restricted Cash and Cash Equivalents | 77,000 | 5,000 | |||||||||||||||||||||||
| Number of Significant Customers | 1 | ||||||||||||||||||||||||
| Property, Plant and Equipment, Useful Life | 5 years | 7 years | 2 years | 5 years | 18 months | 5 years | |||||||||||||||||||
| Engineering and Support Expense | 400,000 | 900,000 | |||||||||||||||||||||||
| Net Income (Loss) Attributable to Parent | (2,058,000) | (5,592,000) | |||||||||||||||||||||||
| Income Tax Expense (Benefit) | 2,000 | 2,000 | 1,600 | 1,600 | |||||||||||||||||||||
| Deferred Tax Assets, Net | 16,700,000 | ||||||||||||||||||||||||
| Operating Loss Carryforwards | 1,100,000 | ||||||||||||||||||||||||
| Deferred Tax Assets, Gross | 16,675,000 | 17,749,000 | |||||||||||||||||||||||
| Deferred Tax Assets, Operating Loss Carryforwards | 13,904,000 | 14,322,000 | 1,900,000 | ||||||||||||||||||||||
| Advertising Expense | 2,000 | 23,000 | |||||||||||||||||||||||
| Number of months | 24 months | ||||||||||||||||||||||||
| Derivative Financial Instruments Liabilities Fair Value Disclosure at Issuance Date | 1,400,000 | 600,000 | |||||||||||||||||||||||
| Derivative Liability | 2,520,000 | 2,466,000 | 2,500,000 | ||||||||||||||||||||||
| Legal Fees | $ 1,200,000 | $ 700,000 | $ 600,000 | ||||||||||||||||||||||