Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	May 29, 2016	May 31, 2015	May 29, 2016	May 31, 2015
Income Statement [Abstract]
Net sales	$ 8,886,005	$ 12,368,163	$ 27,105,725	$ 34,203,966
Cost of products sold	7,934,304	11,105,038	24,619,492	30,217,886
Gross margin	951,701	1,263,125	2,486,233	3,986,080
Selling and administrative expense	788,040	726,854	2,208,560	2,339,479
Interest and other income	(16,252)	(1,483)	(20,189)	(4,207)
Interest expense	75,628	89,142	236,365	259,411
Income before income taxes	104,285	448,612	61,497	1,391,397
Income tax expense (benefit)	25,979	39,528	(154,884)	360,075
Net income	$ 78,306	$ 409,084	$ 216,381	$ 1,031,322
Basic earnings per share	$ .03	$ .14	$ .07	$ .35
Diluted earnings per share	$ .03	.14	.07	.35
Cash dividend per share		$ .04	$ .08	$ .12
Weighted average number of common shares outstanding, basic	2,919,500	2,912,443	2,919,500	2,908,652
Weighted average number of common shares outstanding, diluted	2,925,247	2,964,158	2,929,218	2,961,119