Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

v2.4.1.9
Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Mar. 28, 2015
Dec. 27, 2014
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts, accounts receivable $ 139us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent $ 172us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Preferred stock, shares authorized 2,000,000us-gaap_PreferredStockSharesAuthorized 2,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, par value $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare $ 0.001us-gaap_PreferredStockParOrStatedValuePerShare
Preferred stock, shares outstanding 0us-gaap_PreferredStockSharesOutstanding 0us-gaap_PreferredStockSharesOutstanding
Common stock, shares authorized 50,000,000us-gaap_CommonStockSharesAuthorized 50,000,000us-gaap_CommonStockSharesAuthorized
Common stock, par value $ 0.001us-gaap_CommonStockParOrStatedValuePerShare $ 0.001us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares outstanding 26,676,008us-gaap_CommonStockSharesOutstanding 26,572,774us-gaap_CommonStockSharesOutstanding