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Stock-Based Compensation (Summary of Unvested Stock Options) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Shares
Unvested, beginning of period (in shares)	20,865
Vested (in shares)	(10,432)
Unvested, end of period (in shares)	10,433
Weighted Average Grant Date Fair Value Per Share
Unvested, weighted average grant date fair value, beginning of period (in USD per share)	$ 11.93
Vested, weighted average grant date fair value (in USD per share)	11.93
Unvested, weighted average grant date fair value, end of period (in USD per share)	$ 11.93
Stock Options
Weighted Average Grant Date Fair Value Per Share
Unrecognized compensation cost related to unvested options	$ 103,018
Unrecognized compensation cost related to awards, weighted average period for recognition	1 year
Share-based compensation expense	$ 30,779	$ 66,625

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- Definition

Employee Service Share-based Compensation, Nonvested Awards, Stock Options, Outstanding [Roll Forward]

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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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Number of non-vested options outstanding.

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