Note 10 - Income Taxes (Details) - Components of the Income Tax Provision (Benefit) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Current
Federal	$ (15,979)us-gaap_CurrentFederalTaxExpenseBenefit
State	268	(21)
Total	(15,711)us-gaap_CurrentIncomeTaxExpenseBenefit	(21)us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred
Federal	839	(318)
State	122
Total	961us-gaap_DeferredIncomeTaxExpenseBenefit	(318)us-gaap_DeferredIncomeTaxExpenseBenefit
Benefit for income taxes	$ (14,750)us-gaap_IncomeTaxExpenseBenefit	$ (339)us-gaap_IncomeTaxExpenseBenefit

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.