Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies Significant Accounting Policies (Details 3)

v2.4.0.6
Significant Accounting Policies Significant Accounting Policies (Details 3) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 29, 2012
Oct. 01, 2011
Sep. 29, 2012
Oct. 01, 2011
Changes in warranty accrual        
Beginning Balance $ 61 $ 59 $ 71 $ 36
Standard accrual based on units sold 10 35 34 86
Actual costs incurred (4) (4) (12) (12)
Periodic accrual adjustments (12) (12) (38) (32)
Ending Balance $ 55 $ 78 $ 55 $ 78