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Stock-Based Compensation (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Stock-Based Compensation [Abstract]
Stock option expense	$ 430	$ 427	$ 311
Restricted stock grant expense	199	88	31
Total stock-based compensation expense	$ 629us-gaap_ShareBasedCompensation	$ 515us-gaap_ShareBasedCompensation	$ 342us-gaap_ShareBasedCompensation

This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".

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