Major Customers and Export Sales - Breakdown of Foreign and Domestic Net Sales (Detail) (USD $)	3 Months Ended		6 Months Ended
	Mar. 28, 2015	Mar. 29, 2014	Mar. 28, 2015	Mar. 29, 2014
Schedule Of Net Sales By Geographical Segment [Line Items]
Total Sales	$ 2,372,575	$ 1,293,478	$ 3,255,721	$ 3,802,198
Domestic [Member]
Schedule Of Net Sales By Geographical Segment [Line Items]
Total Sales	515,842	1,262,434	1,280,588	3,525,188
Foreign [Member]
Schedule Of Net Sales By Geographical Segment [Line Items]
Total Sales	$ 1,856,733	$ 31,044	$ 1,975,133	$ 277,010