Net Income per share (Details) (USD $)	3 Months Ended		6 Months Ended
	Mar. 31, 2013	Apr. 01, 2012	Mar. 31, 2013	Apr. 01, 2012
Basic Numerator [Abstract]
Net income and comprehensive income	$ 515,773	$ 974,401	$ 846,500	$ 2,094,393
Basic Denominator [Abstract]
Weighted Average common shares outstanding	16,046,544	15,823,271	16,046,544	15,823,271
Basic	$ 0.03	$ 0.06	$ 0.05	$ 0.13
Diluted Numerator [Abstract]
Net income and comprehensive income	$ 515,773	$ 974,401	$ 846,500	$ 2,094,393
Diluted Denominator [Abstract]
Weighted Average common shares outstanding	16,046,544	15,823,271	16,046,544	15,823,271
Incremental shares from assumed exercise of stock optionts	76,620	199,802	77,413	192,955
Total diluted shares	16,123,164	16,023,073	16,123,957	16,016,226
Diluted	$ 0.03	$ 0.06	$ 0.05	$ 0.13