Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Other Share-based Compensation, Activity [Table Text Block]

Date	Number of Shares	Price Per Share		Grant Date Fair Value
January 18, 2012	10,835	$	8.69	$	94
May 10, 2012	1,667	$	12.99	$	22