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Note 2 - Summary of Significant Accounting Policies (Details) - Adjustments to Goodwill (USD $)
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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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May 31, 1988
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|---|---|---|---|---|
| Adjustments to Goodwill [Abstract] | ||||
| Balance at December 31 | $ 3,813,000 | $ 3,813,000 | $ 3,813,000 | $ 7,006,000 |