Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $)	Jun. 28, 2013	Dec. 28, 2012
Accounts receivable allowance for doubtful accounts (in Dollars)	$ 502,200	$ 432,000
Property and equipment, accumulated depreciation (in Dollars)	2,159,900	1,963,300
Finite-lived intangible assets, accumulated amortization (in Dollars)	$ 2,138,300	$ 2,025,300
Preferred stock, par value (in Dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in Dollars per share) (in Dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	70,000,000	70,000,000
Common stock, shares issued	16,279,074	16,279,074
Common stock, shares outstanding	16,156,583	16,156,583
Treasury stock, shares	122,491	122,491