Stock-based Compensation (Narrative) (Details)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Dec. 31, 2012
Options, Outstanding (in shares)	2,180,000	4,048,000	2,130,000	3,898,198
Options, Granted (in shares)	50,000	150,000
Officer [Member]
Options, Granted (in shares)		150,000
Directors [Member]
Options, Granted (in shares)	50,000