Stock-Based Compensation Stock-based compensation expense by type (Tables)

9 Months Ended

Sep. 30, 2012

Stock-Based Compensation Expense by Type [Abstract]

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

All stock-based compensation expense is included in compensation expense for financial reporting purposes and is recognized using a straight-line basis over the requisite service period for the entire award. Stock-based compensation expense for stock options and RSUs by period is as follows:

	Three Months Ended September 30, 2012		Nine Months Ended September 30, 2012
Stock options	$	1,627	$	4,807
RSUs	49		146
Total	$	1,676	$	4,953