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Note 5 - Property and Equipment (Details) - Property and equipment (USD $)
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Jan. 31, 2014
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Jan. 31, 2013
|
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property and Equipment | $ 1,644,000 | $ 2,979,000 |
| Less: Accumulated depreciation and amortization | (1,630,000) | (2,859,000) |
| 14,000 | 120,000 | |
|
Office Equipment [Member]
|
||
| Property, Plant and Equipment [Line Items] | ||
| Property and Equipment | 605,000 | 619,000 |
|
Equipment [Member]
|
||
| Property, Plant and Equipment [Line Items] | ||
| Property and Equipment | 973,000 | 2,294,000 |
|
Computer Software, Intangible Asset [Member]
|
||
| Property, Plant and Equipment [Line Items] | ||
| Property and Equipment | $ 66,000 | $ 66,000 |