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Note 8 - Debt (Details) - Long-term Debt Obligations (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Debt obligations maturing within one year	$ (784)	$ (777)
Long-term obligations (less current portion)	881	1,080
Third Party [Member]
Debt Instrument [Line Items]
Third-party debt	$ 1,665	$ 1,857

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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