Net Loss Per Common Share (Details) - shares	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Warrant [Member]
Net Income Loss Per Common Share [Line Items]
Potential common shares outstanding	3,303,000	3,224,000
Stock Option [Member]
Net Income Loss Per Common Share [Line Items]
Potential common shares outstanding	1,547,000	2,579,000