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Note 5 - Property and Equipment (Details) - Property and Equipment (USD $) In Thousands, unless otherwise specified							12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Land [Member]	Dec. 31, 2012 Land [Member]	Dec. 31, 2013 Land Improvements [Member]	Dec. 31, 2012 Land Improvements [Member]	Dec. 31, 2013 Land Improvements [Member] Minimum [Member]	Dec. 31, 2013 Land Improvements [Member] Maximum [Member]	Dec. 31, 2013 Building and Building Improvements [Member]	Dec. 31, 2012 Building and Building Improvements [Member]	Dec. 31, 2013 Building and Building Improvements [Member] Minimum [Member]	Dec. 31, 2013 Building and Building Improvements [Member] Maximum [Member]	Dec. 31, 2013 Machinery and Equipment [Member]	Dec. 31, 2012 Machinery and Equipment [Member]	Dec. 31, 2013 Machinery and Equipment [Member] Minimum [Member]	Dec. 31, 2013 Machinery and Equipment [Member] Maximum [Member]	Dec. 31, 2013 Furniture and Fixtures [Member]	Dec. 31, 2012 Furniture and Fixtures [Member]	Dec. 31, 2013 Furniture and Fixtures [Member] Minimum [Member]	Dec. 31, 2013 Furniture and Fixtures [Member] Maximum [Member]	Dec. 31, 2013 Software and Software Development Costs [Member]	Dec. 31, 2012 Software and Software Development Costs [Member]	Dec. 31, 2013 Software and Software Development Costs [Member] Minimum [Member]	Dec. 31, 2013 Software and Software Development Costs [Member] Maximum [Member]	Dec. 31, 2013 Vehicles [Member]	Dec. 31, 2012 Vehicles [Member]	Dec. 31, 2013 Vehicles [Member] Minimum [Member]	Dec. 31, 2013 Vehicles [Member] Maximum [Member]	Dec. 31, 2013 Construction in Progress [Member]	Dec. 31, 2012 Construction in Progress [Member]	Dec. 31, 2013 Minimum [Member]	Dec. 31, 2013 Maximum [Member]
Property, Plant and Equipment [Line Items]
Depreciable Lives							5 years	10 years			7 years	30 years			2 years	15 years			3 years	7 years			2 years	5 years			2 years	5 years			2 years	30 years
Property, Plant, and Equipment	$ 361,368	$ 347,935	$ 16,193	$ 16,193	$ 2,650	$ 2,241			$ 132,299	$ 126,438			$ 172,671	$ 167,752			$ 6,422	$ 6,283			$ 25,844	$ 25,351			$ 1,220	$ 1,257			$ 4,069	$ 2,420
Less accumulated depreciation	(170,484)	(151,608)
Net property and equipment	$ 190,884	$ 196,327

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.14)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 14

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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X

- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 13

-Subparagraph a

-Article 5



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 8

-Article 7

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration