Goodwill and Other Intangible Assets (Details 2) (USD $)	6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Dec. 31, 2010
Goodwill, Impaired, Accumulated Impairment Loss [Abstract]
Balance, Gross		$ 130,262,000	$ 130,262,000
Accumulated goodwill impairment	(120,587,000)	(120,587,000)
Balance Net	15,209	9,675,000
Acquisition of Productive Resources, LLC	5,534,000
Global Language and Content segment [Member]
Goodwill, Impaired, Accumulated Impairment Loss [Abstract]
Balance, Gross		120,587,000	120,587,000
Accumulated goodwill impairment	(120,587,000)	(120,587,000)
Balance Net	5,534,000
Acquisition of Productive Resources, LLC	5,534,000
Global Development and Testing segment [Member]
Goodwill, Impaired, Accumulated Impairment Loss [Abstract]
Balance, Gross		9,675,000	9,675,000
Accumulated goodwill impairment
Balance Net	9,675,000	9,675,000
Acquisition of Productive Resources, LLC	$ 0