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
Mar. 30, 2013
Mar. 31, 2012
Changes in warranty accrual    
Beginning Balance $ 47 $ 71
Standard accrual based on units sold 11 12
Actual costs incurred (4) (4)
Periodic accrual adjustments (12) (13)
Ending Balance $ 42 $ 66