Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended						12 Months Ended			1 Months Ended	5 Months Ended	12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Jun. 30, 2012 Springbox unit	May 31, 2012 Springbox unit	Dec. 31, 2011 Springbox unit	Dec. 31, 2010 Springbox unit	Jun. 01, 2012 Springbox unit
Consideration received:
Cash														$ 100
Number of years after the closing date a percentage of the revenues collected										3 years
Fair value of future revenue sharing arrangement														768
Total														868
Assets sold:
Cash														259
Receivables and other current assets														843
Property and equipment, net														350
Intangible assets, net														416
Total														1,868
Loss on sale of discontinued operation before income taxes										(1,000)
Benefit for income taxes										400
Loss on sale of discontinued operations, net of tax										(600)	(600)
Operating results
Revenues											1,585	4,523	6,200
Cost of revenues											1,677	4,370	4,933
Depreciation and amortization												374	756
Impairment of intangible assets			1,800									1,800	5,866
Other operating expenses											708	1,400	867
Loss before income taxes											(800)	(3,421)	(6,222)
Benefit for income taxes											320	1,368	2,489
Loss from discontinued operations											(480)	(2,053)	(3,733)
Loss on sale of discontinued operations, net of tax										(600)	(600)
Loss from discontinued operations	$ (789)	$ (291)	$ (1,425)	$ (134)	$ (285)	$ (209)	$ (1,080)	$ (2,053)	$ (3,733)		$ (1,080)	$ (2,053)	$ (3,733)