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Note 2 - Current Developments, Future Operations, Liquidity and Capital Resources (Details Textual) (USD $)
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9 Months Ended | 0 Months Ended | 1 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|
|
Oct. 31, 2014
|
Oct. 31, 2013
|
Jun. 02, 2014
|
May 30, 2014
|
May 15, 2014
|
May 16, 2014
|
Feb. 04, 2014
|
May 30, 2014
|
|
| Increase (Decrease) in Accounts Payable | $ (3,617,000) | $ 706,000 | ||||||
| Chicony Power Technology Company Ltd [Member] | ||||||||
| Litigation Settlement, Amount | 7,600,000 | 7,600,000 | 9,700,000 | |||||
| Proceeds from Legal Settlements | 3,600,000 | 3,600,000 | 4,000,000 | |||||
| Professional Fees | 1,100,000 | |||||||
| Chicony Power Technology Company Ltd [Member] | Net of Attorneys Fees [Member] | ||||||||
| Proceeds from Legal Settlements | 6,500,000 | |||||||
| Cost of Sales [Member] | Chicony Power Technology Company Ltd [Member] | ||||||||
| Increase (Decrease) in Accounts Payable | $ (1,100,000) | |||||||