Note 21 - Quarterly Financial Data (Unaudited) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Oct. 03, 2015	Jul. 01, 2015	Mar. 31, 2015	Dec. 29, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 28, 2013	Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013
Net sales	$ 17,747,000	$ 15,813,000	$ 15,034,000	$ 15,721,000	$ 13,045,000	$ 13,251,000	$ 14,709,000	$ 14,853,000	$ 64,314,996	$ 55,857,375	$ 73,833,549
Gross profit	5,765,000	5,441,000	4,982,000	5,449,000	4,405,000	4,343,000	5,253,000	4,788,000	21,635,983	18,789,638	23,563,892
Operating income	1,670,000	1,318,000	925,000	1,344,000	702,000	563,000	1,341,000	1,005,000	5,257,452	3,610,580	7,294,439
Net income	$ 1,287,000	$ 963,000	$ 773,000	$ 970,000	$ 656,000	$ 378,000	$ 891,000	$ 666,000	$ 3,993,398	$ 2,590,767	$ 5,067,417
Basic (in dollars per share)	$ 0.43	$ 0.32	$ 0.26	$ 0.33	$ 0.22	$ 0.13	$ 0.30	$ 0.23	$ 1.34	$ 0.88	$ 1.72
Diluted (in dollars per share)	$ 0.43	$ 0.32	$ 0.26	$ 0.32	$ 0.22	$ 0.13	$ 0.30	$ 0.22	$ 1.33	$ 0.87	$ 1.69