Note 11 - Subsequent Event (Details) (Subsequent Event [Member], Series A Preferred Stock [Member]) In Millions, unless otherwise specified	0 Months Ended
Apr. 03, 2014
Subsequent Event [Member] \| Series A Preferred Stock [Member]
Note 11 - Subsequent Event (Details) [Line Items]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased	12
Preferred Stock, Dividend Rate, Percentage	9.00%

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

No definition available.

Name:	us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant