Amount remaining of a stock repurchase plan authorized.

No definition available.

Name:	us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Note 12 - Subsequent Events (Details) (Modified Stock Buyback Program [Member], USD $) In Millions, unless otherwise specified	Feb. 18, 2015	Dec. 31, 2014
Note 12 - Subsequent Events (Details) [Line Items]
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 10.0
Subsequent Event [Member]
Note 12 - Subsequent Events (Details) [Line Items]
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 40.0