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Note 7 - Contingency (Details) (USD $)
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Dec. 29, 2013
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| Note 7 - Contingency (Details) [Line Items] | |
| Loss Contingency, Estimate of Possible Loss | $ 1,000,000 |
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Patent Application [Member]
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| Note 7 - Contingency (Details) [Line Items] | |
| Capitalized Legal and Other Costs | 58,000 |
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In Defense of Patents [Member]
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| Note 7 - Contingency (Details) [Line Items] | |
| Capitalized Legal and Other Costs | $ 990,000 |
| X | ||||||||||
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- Definition
Capitalized Legal and Other Costs. No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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