Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Balance Sheets (Parenthetical)

v2.4.0.8
Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
Sep. 28, 2013
Dec. 29, 2012
Statement of Financial Position [Abstract]    
Allowance for Doubtful Accounts Receivable, Current $ 1,182,298 $ 1,312,715
Assets    
Accumulated depreciation $ 43,413,992 $ 40,966,957
Shareholders' equity    
Common stock, par value (in dollars per share) $ 1 $ 1
Common stock, shares authorized (in shares) 12,000,000 12,000,000
Common stock, shares issued (in shares) 8,000,000 8,000,000
Common stock in treasury, at cost (in shares) 1,617,200 1,643,267