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Note 17 - Components of Accumulated Other Comprehensive Loss (Details) - Reclassifications Out of Accumulated Other Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Component of Accumulated Other Comprehensive Income
	$ (18)	$ (31)	$ (19)
	(35)	(58)	(34)
Amortization of defined benefit pension items:
	(35)	(35)	(35)
	(66)	(66)	(66)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Component of Accumulated Other Comprehensive Income
Unrealized gains and losses on available-for-sale securities	(53)	(10)	(53)
	18	3	19
	(35)	(7)	(34)
Amortization of defined benefit pension items:
Prior service costs	(101)	(101)	(101)	[1]
	35	35	35
	$ (66)	$ (66)	$ (66)
[1] This accumulated other comprehensive income (loss) component is included in the computation of net periodic benefit cost. (For additional information, see Note 8, "Employee Benefit Plans.")

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