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Note 9 - Equity Method Investment (Details) - TEL’s Summarized Financial Information - Income Statement (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
TEL’s Summarized Financial Information - Income Statement [Abstract]
Revenue	$ 17,646	$ 10,328
Operating Expenses	15,536	9,020
Operating Income	2,110	1,308
Net Income	$ 1,661	$ 1,011

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- Definition

The amount of the cost of sales reported by an equity method investment of the entity.

+ References

No definition available.

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- Definition

The amount of income (loss) from continuing operations before extraordinary items reported by an equity method investment of the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph bb

-Article 1



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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-Publisher SEC

-Name Regulation S-X (SX)

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- Definition

The amount of net income (loss) reported by an equity method investment of the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.4-08.(g))

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-Publisher FASB

-Name Accounting Standards Codification

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-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14064-108612



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-Name Regulation S-X (SX)

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The amount of revenue from sale of goods and services reduced by sales returns, allowances, and discounts reported by an equity method investment of the entity.

+ References

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