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Accrued Expenses (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 28, 2013
Dec. 29, 2012
Components of accrued expenses    
Distributor commission $ 524 $ 173
Customer deposits 200 158
Earn-out – short term 184 156
Sales and use tax payable 111 49
Royalties payable 32 32
Other accrued expenses 541 674
Total accrued expenses $ 1,592 $ 1,242