CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND RETAINED EARNINGS (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 29, 2012
Oct. 01, 2011
Sep. 29, 2012
Oct. 01, 2011
Net sales $ 29,166 $ 25,501 $ 83,309 $ 78,244
Costs and expenses:        
Cost of sales (exclusive of depreciation, depletion and amortization) 23,636 19,944 67,466 62,304
Depreciation, depletion and amortization 825 1,012 2,938 3,193
Selling and administrative 4,874 4,937 15,255 14,817
Gain on disposition of property and equipment 4 29 21 169
Total costs and expenses 29,331 25,864 85,638 80,145
Operating loss (165) (363) (2,329) (1,901)
Interest expense, net (135) (141) (400) (443)
Amortization of deferred financing fees   (51) (60) (154)
Other income, net 3   17 25
Loss from continuing operations before income taxes (297) (555) (2,772) (2,473)
Benefit for income taxes (106) (239) (1,026) (920)
Net loss from continuing operations (191) (316) (1,746) (1,553)
Income (loss) from discontinued operation net of income tax benefit of $0 and $5 for the three months ended and $5 and $26 for the nine months ended September 29, 2012 and October 1, 2011, respectively   (6) (9) (44)
Net loss (191) (322) (1,755) (1,597)
Retained earnings, beginning of period 61,435 63,672 62,999 64,947
Retained earnings, end of period $ 61,244 $ 63,350 $ 61,244 $ 63,350
Net loss per basic and diluted share:        
Continuing operations (in dollars per share) $ (0.11) $ (0.20) $ (1.07) $ (0.96)
Discontinued operation (in dollars per share) $ 0.00 $ 0.00   $ (0.03)
Net (loss) income per basic and diluted share (in dollars per share) $ (0.11) $ (0.20) $ (1.07) $ (0.99)
Average shares outstanding, basic (in shares) 1,634 1,623 1,634 1,615
Average shares outstanding, diluted (in shares) 1,634 1,623 1,634 1,615