Stock-Based Compensation (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Dec. 31, 2011
Stock-Based Compensation (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)	$ 0.41	$ 0.58
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)	$ 2.23
Share-based Compensation	$ 446,630	$ 420,522
Restructuring Charges	0	385,610	386,000	1,800,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value	793,000	1,200,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	50,000	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures (in Shares)	45,958	410,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in Shares)	63,164	0
Proceeds from Stock Options Exercised	118,546	0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in Shares)	470,853	338,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (in Shares)	262,091	514,000
Restricted Stock Units (RSUs) [Member]
Stock-Based Compensation (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)	$ 2.23	$ 1.69
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested	611,000	902,000
Performance Incentive Plan 2007 [Member]
Stock-Based Compensation (Details) [Line Items]
Employee Stock Ownership Plan (ESOP), Number of Suspense Shares (in Shares)	1,733,458
Share-based Compensation	447,000	814,000
Restructuring Charges		393,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized	$ 4,700,000
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition In Years	3 years 73 days