Note 9 - Earnings Per Share (Details) (Board of Directors Chairman [Member], USD $) In Millions, unless otherwise specified	0 Months Ended	9 Months Ended
Apr. 10, 2014	Sep. 30, 2014
Board of Directors Chairman [Member]
Note 9 - Earnings Per Share (Details) [Line Items]
Outstanding Stock Warrants Exercised	7.2
Proceeds from Warrant Exercises		$ 8.2

The cash inflow associated with the amount received from holders exercising their stock warrants.

No definition available.

Name:	us-gaap_ProceedsFromWarrantExercises
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration