Share Based Payments (Details Textual) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Jun. 27, 2012
Share Based Payments (Textual) [Abstract]
Vesting period	4 years
Contractual term	10 years
Additional number of shares of common stock available for issuance	1.5
maximum number of shares authorized under the plan		3.0
Shares subject to outstanding awards under the plan	2.3
Common stock at a discount	15.00%
Share based compensation arrangement by share based payment award options period description	The first option period began on August 1, 2012 and will conclude on December 31, 2012. Thereafter, option periods under the plan will generally run from January 1 to June 30 and July 1 to December 31 of each year.