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Other Accrued Expenses and Other Current Liabilities
 12 Months Ended
Dec. 31, 2012
Payables and Accruals [Abstract]  
Accounts Payable, Accrued Liabilities, and Other Liabilities Disclosure, Current [Text Block]
Note 11. Other Accrued Expenses and Other Current Liabilities

 

    December 31,  
    2011     2012  
    (in thousands)  
             
Accrued mask, mold fees and other expenses for RD   $ 8,211       7,582  
Payable for purchases of equipment     2,276       1,694  
Accrued software maintenance     1,830       2,006  
Accrued payroll and related expenses     3,837       4,144  
Accrued professional service fee     1,210       1,025  
Accrued warranty costs     78       197  
Accrued insurance, welfare expenses, etc.     5,721       7,077  
    $ 23,163       23,725  

 

The movement in accrued warranty costs for the years ended December 31, 2010, 2011 and 2012 is as follows:

 

Period  

Balance at

beginning

of year

    

Additions
(reversal)

charged to

expense

    

 

Amounts
utilized

    

Balance at

end of
year

  
    (in thousands)  
                         
Year ended December 31, 2010   $ 679       3,772       (3,772 )     679  
Year ended December 31, 2011   $ 679       (321 )     (280 )     78  
Year ended December 31, 2012   $ 78       856       (737 )     197