Debt (Tables)

12 Months Ended

Dec. 31, 2012

Debt [Abstract]

Components of long-term debt

	December 31,
	2012		2011
SunTrust term loan due quarterly through January 2014	$	6,000	$	9,000
Less current portion		3,000		3,000
Noncurrent portion	$	3,000	$	6,000

Future minimum principal payments of long-term debt

Year Ending December 31,
2013	$	3,000
2014		3,000
2015		—
2016		—
2017		—
Thereafter		—
	$	6,000