Note 17 - Fair Value Measurements and Fair Values Of Financial Instruments (Details) - Available-for-Sale Securities Measured at Fair Value Using Significant Unobservable Inputs (Fair Value, Inputs, Level 3 [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Fair Value, Inputs, Level 3 [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of year	$ 1,962	$ 1,929
Settlements		(121)
Included in other comprehensive income	107	154
Balance, end of year	$ 2,069	$ 1,962