Note 17 - Subsequent Events (Details) (Subsequent Event [Member])	1 Months Ended
Oct. 31, 2013	Oct. 29, 2013
Subsequent Event [Member]
Note 17 - Subsequent Events (Details) [Line Items]
Percentage of Common Stock Shares Planned to Repurchase		5.00%
Stock Repurchase Program, Number of Shares Authorized to be Repurchased		487,560
Treasury Stock, Shares, Retired	1,502,951

Number of shares of common and preferred stock retired from treasury during the period.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Name:	us-gaap_TreasuryStockSharesRetired
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration