Note 2 - Interim Financial Presentation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
May 31, 2014	May 31, 2014
Disclosure Text Block Supplement [Abstract]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ (190)	$ (190)
Income Tax Examination, Year under Examination		2012

Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 45

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e32123-109318

Name:	us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration