Note 1 - Basis of Presentation (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
Jun. 30, 2013	Dec. 31, 2012
Note 1 - Basis of Presentation (Details) [Line Items]
Number of Reportable Segments	2
Liabilities, Current	$ 143,691	$ 142,442
Scenario, Previously Reported [Member]
Note 1 - Basis of Presentation (Details) [Line Items]
Liabilities, Current		$ 138,100

Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.21)

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 21

-Article 5

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