Long Term Retention Plan (Tables)

6 Months Ended

Jun. 30, 2013

Compensation And Retirement Disclosure [Abstract]

Long Term Retention Plans Accrued Compensation Expense

The following table summarizes the 2009, 2010, 2011 and 2012 Long Term Retention Plans (LTRP) accrued compensation expense for the six and three-month periods ended June 30, 2013 and 2012:


	Six Months Ended June 30,				Three Months Ended June 30,
	2013		2012		2013		*2012()**
LTRP 2009	$	1,117,678	$	179,924	$	709,758	$	(497,895	)
LTRP 2010		1,017,936		532,918		624,140		(51,239	)
LTRP 2011		1,006,713		686,876		595,513		119,814
LTRP 2012		1,155,216		792,088		657,381		359,637

(*)	The negative amount included in the table above represents a gain, mainly as a consequence of the changes in the share prices of the Company.