Note 14 - Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Note 14 - Other Comprehensive Income (Loss) (Details) [Line Items]
Unrealized Gain (Loss) on Investments	$ (3,333)	$ (3,224)	$ (2,639)
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, before Tax	3,000	2,400	3,000
Equity Securities [Member]
Note 14 - Other Comprehensive Income (Loss) (Details) [Line Items]
Unrealized Gain (Loss) on Investments	$ 300	$ 1,100	$ (4,600)