Note 21 - Fair Value of Financial Instruments (Details Textual) - Interest Rate Swap [Member] - USD ($)	Dec. 31, 2014	Dec. 30, 2014
Derivative, Amount of Hedged Item	$ 10,000,000
Trust Preferred Securities Subject to Mandatory Redemption [Member]
Derivative, Amount of Hedged Item		$ 10,000,000

Amount of the hedged item as of the balance sheet date related to the derivative. For example, the hedged balance on a debt instrument.

No definition available.

Name:	us-gaap_DerivativeAmountOfHedgedItem
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant