Annual report pursuant to Section 13 and 15(d)

Quarterly Results (Details)

v2.4.0.8
Quarterly Results (Details) (USD $)
3 Months Ended 12 Months Ended
Dec. 28, 2013
Sep. 28, 2013
Jun. 29, 2013
Mar. 30, 2013
Dec. 29, 2012
Sep. 29, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Quarterly Financial Information Disclosure [Abstract]                      
Net sales $ 52,244,000 $ 54,397,000 $ 56,273,000 $ 57,836,000 $ 53,138,000 $ 50,271,000 $ 46,878,000 $ 47,372,000 $ 220,749,554 $ 197,658,874 $ 170,575,298
Gross profit (loss) (335,000) 5,503,000 7,129,000 6,905,000 5,893,000 5,683,000 5,261,000 5,091,000 19,202,084 21,928,363 21,089,843
Net income (loss) $ (3,078,000) $ 1,461,000 $ 1,913,000 $ 1,465,000 $ 965,000 $ 843,000 $ 1,090,000 $ 1,337,000 $ 1,760,564 $ 4,234,912 $ 5,797,160
Net income (loss) per common share, basic (dollars per share) $ (0.36) $ 0.23 $ 0.30 $ 0.23 $ 0.15 $ 0.13 $ 0.17 $ 0.21      
Net income (loss) per common share, diluted (dollars per share) $ (0.36) $ 0.23 $ 0.30 $ 0.23 $ 0.15 $ 0.13 $ 0.17 $ 0.21