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Note 2 - Significant Accounting Policies (Details) - Property and Equipment Estimated Useful Lives
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12 Months Ended |
|---|---|
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Dec. 31, 2014
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| Scientific and Office Equipment [Member] | |
| Note 2 - Significant Accounting Policies (Details) - Property and Equipment Estimated Useful Lives [Line Items] | |
| Property, plant and equipment useful life | 5 years |
| Technology Equipment [Member] | |
| Note 2 - Significant Accounting Policies (Details) - Property and Equipment Estimated Useful Lives [Line Items] | |
| Property, plant and equipment useful life | 3 years |
| Leaseholds and Leasehold Improvements [Member] | |
| Note 2 - Significant Accounting Policies (Details) - Property and Equipment Estimated Useful Lives [Line Items] | |
| Leasehold improvements and leased equipment | Shorter of useful life or the term of the lease |