Note 5 - Accumulated Other Comprehensive Income (Details) - Amounts Reclassified Out of Accumulated Other Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
Unealized gains on available for sale securities
$	$ 10		$ 296		$ (175)	[1]	$ (296)	[1]
	(3)	[1]	(100)	[1]	60		100
$	$ 7		$ 196		$ (115)	[1]	$ (196)	[1]

[1] Amounts in parentheses indicate debits to net income