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Stock-Based Compensation (Summary of Unvested Stock Options) (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Shares:
Unvested, beginning of period (in shares)	63,082
Granted (in shares)	50,000
Vested (in shares)	(28,248)
Unvested, end of period (in shares)	84,834
Weighted Average Grant Date Fair Value:
Unvested, weighted average grant date fair value, beginning of period (in USD per share)	$ 9.87
Granted, weighted average grant date fair value (in USD per share)	$ 16.78
Vested, weighted average grant date fair value (in USD per share)	$ 9.82
Unvested, weighted average grant date fair value, end of period (in USD per share)	$ 13.09
Stock Options
Weighted Average Grant Date Fair Value:
Unrecognized compensation cost related to stock options	$ 718,422
Unrecognized compensation cost related to awards, weighted average period for recognition	2 years 5 months 15 days
Share-based compensation expense	$ 56,790	$ (21,000)

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Unrecognized cost of unvested options awarded to employees as compensation.

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Gross number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Number of non-vested options outstanding.

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Number of options vested.

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