Organization and Summary of Significant Accounting Policies (Details 2) (USD $)	3 Months Ended		9 Months Ended
	Sep. 29, 2012	Sep. 24, 2011	Sep. 29, 2012	Sep. 24, 2011
Earnings per common share:
Anti-dilutive options excluded from computation of diluted earnings per share (in shares)	204,700	214,500	259,866	214,500
Basic Earnings Per Share:
Net income (loss)	$ 1,739,648	$ (190,812)	$ 5,084,566	$ 2,075,254
Weighted average number of common shares	19,030,959	18,139,674	18,737,131	18,072,579
Earnings (loss) per common share (in dollars per share)	$ 0.09	$ (0.01)	$ 0.27	$ 0.11
Diluted Earnings Per Share:
Net income (loss)	$ 1,739,648	$ (190,812)	$ 5,084,566	$ 2,075,274
Weighted average number of common shares	19,030,959	18,139,674	18,737,131	18,072,579
Incremental shares from assumed conversions of stock options and non-vested shares of restricted stock	659,026		799,601	659,956
Adjusted weighted average number of common shares	19,689,985	18,139,674	19,536,732	18,732,535
Earnings (loss) per common share (in dollars per share)	$ 0.09	$ (0.01)	$ 0.26	$ 0.11