|
Note 3 - Summary of Significant Accounting Policies (Details) (USD $)
|
3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Oct. 31, 2013
|
Jan. 31, 2013
|
Oct. 31, 2012
|
Oct. 31, 2013
Tooling and Equipment [Member]
|
Oct. 31, 2013
Equipment [Member]
|
Oct. 31, 2013
Engineering and Support Expenses [Member]
|
Oct. 31, 2012
Engineering and Support Expenses [Member]
|
Oct. 31, 2013
Engineering and Support Expenses [Member]
|
Oct. 31, 2012
Engineering and Support Expenses [Member]
|
Oct. 31, 2013
Selling, General and Administrative Expenses [Member]
|
Oct. 31, 2012
Selling, General and Administrative Expenses [Member]
|
Oct. 31, 2013
Selling, General and Administrative Expenses [Member]
|
Oct. 31, 2012
Selling, General and Administrative Expenses [Member]
|
Oct. 31, 2013
Warrant [Member]
|
Jul. 31, 2013
Warrant [Member]
|
Oct. 31, 2013
Convertible Debt Securities [Member]
|
Oct. 31, 2013
Letter of Credit [Member]
|
Oct. 31, 2013
Collateral for Credit Card [Member]
|
|
| Note 3 - Summary of Significant Accounting Policies (Details) [Line Items] | ||||||||||||||||||
| Restricted Cash and Cash Equivalents | $ 1,300,000 | $ 77,000 | $ 5,000 | |||||||||||||||
| Asset Impairment Charges | 60,000 | |||||||||||||||||
| Proceeds from Sale of Productive Assets | 28,000 | |||||||||||||||||
| Derivative Financial Instruments Liabilities Fair Value Disclosure at Issuance Date | 600,000 | |||||||||||||||||
| Derivative Liability | 2,819,000 | 2,466,000 | 1,754,000 | 2,800,000 | ||||||||||||||
| Legal Fees | $ 34,000 | $ 423,000 | $ 311,000 | $ 1,200,000 | $ 84,000 | $ (303,000) | $ 449,000 | $ 684,000 | ||||||||||