Note 6 - Employee Retirement Benefit Plans: Employee Retirement Benefit Plans, Details 3 (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014
Details
Lien against assets of the company for unpaid pension contributions	$ 6,979
Estimated Future Employer Contributions in Next Fiscal Year	$ 4,009

Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

Name:	us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInNextFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration