Note 14 - Retirement Benefit Plans (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Compensation and Retirement Disclosure [Abstract]
Defined Contribution Plan, Cost Recognized	$ 1,200	$ 1,200	$ 1,200
Employee Stock Ownership Plan (ESOP), Compensation Expense	1,214	1,255	1,283
Defined Benefit Plan, Future Amortization of Transition Obligation (Asset)	$ 61
Defined Benefit Plan, Health Care Cost Trend Rate Assumed for Next Fiscal Year	0.00%