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Note 1 - Basis of Consolidation and Presentation (Details) - Long-term Debt (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Long-term Debt [Abstract]
Total carrying amounts of long-term debt	$ 9,765	$ 10,324
Estimated fair value of long-term debt	$ 9,631	$ 10,156

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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