|
Note 2 - Current Developments, Future Operations, Liquidity and Capital Resources (Details) (USD $)
|
3 Months Ended | 1 Months Ended | 0 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|
|
Apr. 30, 2014
|
Apr. 30, 2013
|
May 30, 2014
Subsequent Event [Member]
Net of Attorneys' Fees [Member]
Chicony Power Technology Company Ltd [Member]
|
Jun. 02, 2014
Subsequent Event [Member]
Chicony Power Technology Company Ltd [Member]
|
May 30, 2014
Subsequent Event [Member]
Chicony Power Technology Company Ltd [Member]
|
May 15, 2014
Subsequent Event [Member]
Chicony Power Technology Company Ltd [Member]
|
May 16, 2014
Subsequent Event [Member]
Chicony Power Technology Company Ltd [Member]
|
Feb. 04, 2014
Chicony Power Technology Company Ltd [Member]
|
|
| Note 2 - Current Developments, Future Operations, Liquidity and Capital Resources (Details) [Line Items] | ||||||||
| Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest | $ (1,318,000) | $ (1,474,000) | ||||||
| Litigation Settlement, Amount | 7,600,000 | 9,700,000 | ||||||
| Proceeds from Legal Settlements | 6,500,000 | 3,600,000 | 3,600,000 | 4,000,000 | ||||
| Negative Working Capital | 9,100,000 | |||||||
| Derivative Assets (Liabilities), at Fair Value, Net | $ (3,500,000) | |||||||