CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Dec. 27, 2019	Dec. 28, 2018
Income Statement [Abstract]
Net sales	$ 44,734	$ 35,441
Cost of sales	39,495	30,382
Gross profit	5,239	5,059
Selling and administrative expenses	3,299	3,352
Operating income	1,940	1,707
Interest and financing expense	415	323
Income before income taxes	1,525	1,384
Income tax expense	336	312
Net Income (Loss) Attributable to Parent, Diluted		1,072
Net income/(loss)	$ 1,189	$ 1,072
Weighted average number of shares outstanding:
Basic (in shares)	10,365,766	10,262,397
Diluted (in shares)	10,695,977	10,495,429
Basic net income (loss) per share (in usd per share)	$ 0.11	$ 0.10
Diluted net income (loss) per share (in usd per share)	$ 0.11	$ 0.10