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Note 12 - Commitments And Contingencies (Details) (USD $)
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12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Note 12 - Commitments And Contingencies (Details) [Line Items] | |||
| Operating Leases, Rent Expense | $ 219,000 | $ 343,000 | $ 338,000 |
| Increase (Decrease) in Accounts Payable | 43,000 | 128,000 | 304,000 |
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Water Project [Member]
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| Note 12 - Commitments And Contingencies (Details) [Line Items] | |||
| Deferred Revenue | 750,000 | ||
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In Exchange for Services and Exclusivity Agreement [Member]
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| Note 12 - Commitments And Contingencies (Details) [Line Items] | |||
| Increase (Decrease) in Accounts Payable | $ 923,000 | ||