XML 58 R34.htm IDEA: XBRL DOCUMENT v2.4.0.6
Consolidated Balance Sheets and Statements of Operations and Comprehensive Income (Loss) Components (Details 2) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Accrued expenses and other liabilities:      
Accrued wages and employee benefits $ 881 $ 782  
Employee stock purchase plan withholdings 292 392  
Professional fees 503 271  
Other 2,271 1,334  
Total 3,947 2,779  
Other income and expense, net:      
Interest income 171 143 272
Other income and expense, net (16) 63 (95)
Total $ 155 $ 206 $ 177