Stock-based Compensation (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Stock-based Compensation
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition			2 years 2 months
Options vested during period	200	534	755	1,802
Unvested stock options outstanding	2,557		2,557
Stock options outstanding	51,118		51,118
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures			0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value				$ 7.56
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate				0.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate				101.70%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate				1.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term				7 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	0		555	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross		0		1,666
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures		3,242	0
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price		$ 12.65
Share-based compensation expense	$ 100,939	$ 124,040	$ 215,469	$ 252,530
Total unrecognized share-based compensation cost	$ 326,501		$ 326,501		$ 544,896
Restricted Stock
Stock-based Compensation
Restricted shares outstanding	210,792		210,792		211,159
Restricted shares outstanding, vested	49,288		49,288		34,316
Restricted shares outstanding, nonvested	161,504		161,504		176,843