Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies (Details 3)

v2.4.0.8
Significant Accounting Policies (Details 3) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 27, 2014
Sep. 28, 2013
Sep. 27, 2014
Sep. 28, 2013
Changes in warranty accrual        
Beginning Balance $ 31 $ 41 $ 34 $ 47
Standard accrual based on units sold 8 10 24 36
Actual costs incurred (4) (4) (12) (12)
Periodic accrual adjustments (4) (8) (15) (32)
Ending Balance $ 31 $ 39 $ 31 $ 39