Note 11 - Subsequent Events (Details) (Series C Preferred Stock [Member], Subsequent Event [Member], USD $)	0 Months Ended
Oct. 23, 2014
Series C Preferred Stock [Member] \| Subsequent Event [Member]
Note 11 - Subsequent Events (Details) [Line Items]
Preferred Stock, Dividends Per Share, Declared	$ 15.00

Aggregate dividends declared during the period for each share of preferred stock outstanding.

No definition available.

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