Stock-Based Compensation (Details) (USD $) In Thousands, except Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2013
Number of Shares, Available for grant	0
Stock Unit Award [Member] | Stock Incentive Plan 2006 [Member]
Number of Shares, Unvested - Beginning balance	137,475
Number of Shares, Granted	56,500
Number of Shares, Forfeited/expired	(18,012)
Number of Shares, Converted to common stock	(36,988)
Number of Shares, Unvested - Ending balance	138,975
Number of Shares, Available for grant	181,581
Aggregate Intrinsic Value, Unvested	$ 1,493	[1]

[1] The aggregate intrinsic value on this table was calculated based on the closing market value of the Company’s stock on June 30, 2013 ($10.74).