Income Taxes - (Tables)

6 Months Ended

Jun. 30, 2013

Income Taxes [Abstract]

Schedule of effective tax rate [Table Text Block]

The following table provides details of income taxes:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2013			2012			2013			2012
Income before income taxes	$	1,332		$	9,931		$	1,077		$	12,804
Provision (benefit) for income taxes	$	573		$	3,585		$	(75	)	$	4,596
Effective tax rate	43.0		%	36.1		%	(7.0		)%	35.9		%