Stock-based Compensation (Narrative) (Details)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Options, Granted (in shares)	200,000	1,040,000
Director [Member]
Options, Granted (in shares)	50,000	50,000
Officers and Employees [Member]
Options, Granted (in shares)	150,000	990,000
Officers and Employees [Member] | Heritage Global Partners, Inc [Member]
Options, Granted (in shares)		625,000