Net Income / (Loss) Per Common Share (Details)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Warrant [Member]
Net Income Loss Per Common Share [Line Items]
Potential common shares outstanding	3,224,000	2,435,000
Employee Stock Option [Member]
Net Income Loss Per Common Share [Line Items]
Potential common shares outstanding	3,206,000	3,426,080