Annual report pursuant to Section 13 and 15(d)

Accrued Expenses (Details Textual)

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Accrued Expenses (Details Textual) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
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
Accrued Expenses (Textual) [Abstract]                      
Restructuring charges $ 506 $ 215 $ 1,353 $ 644 $ 689 $ 302 $ 53 $ 10 $ 115 $ 434 $ 961
Accrued Lease Payments                     451
Relocation And Other Expenses                     414
Severance charges                     96
FundQuest [Member]
                     
Accrued Expenses (Textual) [Abstract]                      
Restructuring charges                   $ 381