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.

Provision for Income Taxes - Components of Income Tax Provision (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Current taxes: [Abstract]
Federal									$ 0us-gaap_CurrentFederalTaxExpenseBenefit	$ 0us-gaap_CurrentFederalTaxExpenseBenefit	$ 0us-gaap_CurrentFederalTaxExpenseBenefit
State									67	52	162
Total current taxes									67us-gaap_CurrentIncomeTaxExpenseBenefit	52us-gaap_CurrentIncomeTaxExpenseBenefit	162us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred taxes:
Federal									0	0	0
State									4	3	2
Total deferred taxes									4us-gaap_DeferredIncomeTaxExpenseBenefit	3us-gaap_DeferredIncomeTaxExpenseBenefit	2us-gaap_DeferredIncomeTaxExpenseBenefit
Provision for income taxes	$ 20us-gaap_IncomeTaxExpenseBenefit	$ 18us-gaap_IncomeTaxExpenseBenefit	$ 15us-gaap_IncomeTaxExpenseBenefit	$ 18us-gaap_IncomeTaxExpenseBenefit	$ 22us-gaap_IncomeTaxExpenseBenefit	$ 14us-gaap_IncomeTaxExpenseBenefit	$ 14us-gaap_IncomeTaxExpenseBenefit	$ 5us-gaap_IncomeTaxExpenseBenefit	$ 71us-gaap_IncomeTaxExpenseBenefit	$ 55us-gaap_IncomeTaxExpenseBenefit	$ 164us-gaap_IncomeTaxExpenseBenefit