Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Income Statement [Abstract]
Net sales	$ 87,022	$ 83,902
Cost of goods sold	79,492	85,757
Gross profit (loss)	7,530	(1,855)
Selling, general and administrative expenses	14,029	11,909
Amortization of intangible assets	233	313
Loss (gain) on disposal of operating assets	1	(7)
Operating loss	(6,733)	(14,070)
Interest expense, net	1,348	645
Gain on debt extinguishment	0	(5,106)
Foreign currency exchange loss, net	9	15
Other expense, net	443	59
Loss before income tax expense (benefit)	(8,533)	(9,683)
Income tax expense (benefit)	159	(43)
Net loss	$ (8,692)	$ (9,640)
Net loss per share:
Basic (in dollars per share)	$ (1.47)	$ (1.65)
Diluted (in dollars per share)	$ (1.47)	$ (1.65)
Weighted-average number of common shares (basic) (in shares)	5,929	5,830
Weighted-average common shares outstanding (diluted) (in shares)	5,929	5,830