XML 22 R50.htm IDEA: XBRL DOCUMENT v2.4.0.8
Property and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 29,446 $ 28,614
Less: accumulated depreciation and amortization (24,005) (23,174)
Property and equipment, net 5,441 5,440
Computer and Other Related Equipment
   
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 18,550 17,794
Purchased and Internally Developed Software
   
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 7,733 7,672
Furniture and Fixtures
   
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 1,329 1,319
Leasehold Improvements
   
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 1,834 $ 1,829