Note 14 - Other Comprehensive Income (Loss) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Note 14 - Other Comprehensive Income (Loss) (Details) [Line Items]
Unrealized Gain (Loss) on Investments	$ (3,224,000)	$ (2,639,000)	$ (1,171,000)
Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI for Write-down of Securities, before Tax	2,400,000	3,000,000
Equity Securities [Member]
Note 14 - Other Comprehensive Income (Loss) (Details) [Line Items]
Unrealized Gain (Loss) on Investments	$ 1,100,000	$ (4,600,000)