Income Taxes (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current:
Federal	$ 0us-gaap_CurrentFederalTaxExpenseBenefit	$ 0us-gaap_CurrentFederalTaxExpenseBenefit	$ 150us-gaap_CurrentFederalTaxExpenseBenefit
State	0	200	206
Current expense	0us-gaap_CurrentIncomeTaxExpenseBenefit	200us-gaap_CurrentIncomeTaxExpenseBenefit	356us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred:
Federal	815	(885)	0
State	(84)	(42)	0
Deferred expense (benefit)	731us-gaap_DeferredIncomeTaxExpenseBenefit	(927)us-gaap_DeferredIncomeTaxExpenseBenefit	0us-gaap_DeferredIncomeTaxExpenseBenefit
Income tax expense (benefit)	$ 731us-gaap_IncomeTaxExpenseBenefit	$ (727)us-gaap_IncomeTaxExpenseBenefit	$ 356us-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.