Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Income Tax Disclosure [Abstract]
Income tax provision	$ 9	$ (294)	$ 63	$ (220)
Recognized income tax benefit due to the expiration of the statute of limitations for various tax exposures related to the income tax returns of prior periods		$ 318		$ 318
Need for valuation allowance based on history of cumulative losses, years			3 years