CONDENSED CONSOLIDATED INCOME STATEMENTS - USD ($) $ in Thousands	3 Months Ended
	Dec. 28, 2018	Dec. 29, 2017
Income Statement [Abstract]
Net sales	$ 35,441	$ 21,156
Cost of sales	30,382	19,638
Gross profit	5,059	1,518
Selling and administrative expenses	3,352	2,788
Operating income/(loss)	1,707	(1,270)
Interest and financing expense	323	234
Income/(loss) before income taxes	1,384	(1,504)
Income tax expense/(benefit)	312	(1,010)
Net Income (Loss) Attributable to Parent, Diluted	1,072	(494)
Net income/(loss)	$ 1,072	$ (494)
Weighted average number of shares outstanding:
Basic (in shares)	10,262,397	10,204,413
Diluted (in shares)	10,495,429	10,204,413
Basic net income (loss) per share (in usd per share)	$ 0.10	$ (0.05)
Diluted net income (loss) per share (in usd per share)	$ 0.10	$ (0.05)