Note 9 - Taxes on Income (Details) - Tax Provision (Benefit) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Tax Provision (Benefit) [Abstract]
Federal		$ 383
State	741	1,293	132
Current	741	1,676	132
Federal	9,486	18,845	(83,014)
State	2,098	(141)	(9,918)
Deferred	11,584	18,669	(92,932)
Income tax expense (benefit)	$ 12,325	$ 20,380	$ (92,800)

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.