Note 14 - Capital Stock and Stock Compensation (Details) - Restricted Stock Awards (USD $)	33 Months Ended	0 Months Ended	1 Months Ended
Nov. 30, 2013	Mar. 07, 2011 March 7, 2011 [Member]	Jul. 13, 2011 July 13, 2011 Grant A [Member]	Jul. 13, 2012 July 13, 2012 [Member]	Apr. 01, 2013 April 1, 2013 [Member]	Jul. 17, 2013 July 17, 2013 [Member]
Note 14 - Capital Stock and Stock Compensation (Details) - Restricted Stock Awards [Line Items]
Restricted shares granted	165,893	4,000	79,200	1,398	11,295	70,000
Share value at grant date per share (in Dollars per share)		$ 8.15	$ 8.02	$ 11.69	$ 15.94	$ 16.64
Restricted period (years)		109 days	219 days	1 year 219 days	109 days	4 years 219 days

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration