Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2011	Dec. 25, 2010
Consolidated Balance Sheets
Receivables, allowance for doubtful accounts (in dollars)	$ 15,100	$ 17,000
Long-term investments, allowance for losses (in dollars)	$ 883,100	$ 0
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	4,987,643	5,020,739
Common stock, shares outstanding	4,987,643	5,020,739