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Note 3 - Property and Equipment (Details) - Property and Equipment Components (USD $)
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Dec. 31, 2013
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Jan. 31, 2013
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|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 4,137,607 | $ 5,169,309 |
| Less accumulated depreciation and amortization | 588,622 | 4,206,240 |
| Property and equipment, net | 3,548,985 | 963,069 |
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Machinery and Equipment [Member]
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| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 2,058,217 | 2,424,874 |
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Furniture and Fixtures [Member]
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| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 1,019,082 | 646,643 |
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Software and Software Development Costs [Member]
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| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | 567,900 | 1,828,705 |
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Leasehold Improvements [Member]
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| Property, Plant and Equipment [Line Items] | ||
| Property and equipment, gross | $ 492,408 | $ 269,087 |