Stock-Based Compensation (Details Textual) (USD $) In Thousands, except Per Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	$ 117
Share-based Compensation Arrangement by Share-based Payment Award, Estimated Fair Value of Stock Price (in dollars per share)	$ 8.80
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term	8 years 6 months
Equity Plan 2006 [Member]
Share-based Compensation Shares Authorized Under Stock Option Plans Expire Period	10 years