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Note 9 - Equity Method Investment (Details) - TEL’s Summarized Financial Information - Balance Sheets (TEL [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
TEL [Member]
Condensed Balance Sheet Statements, Captions [Line Items]
Current Assets	$ 5,736	$ 6,898
Non-current Assets	40,914	21,150
Current Liabilities	2,445	9,988
Non-current Liabilities	35,599	13,670
Total Equity	$ 8,606	$ 4,390

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