Consolidated Condensed Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Income Statement [Abstract]
Net sales	$ 24,568	$ 24,866	$ 43,815	$ 49,944
Cost of goods sold	23,109	22,123	42,347	43,278
Gross profit	1,459	2,743	1,468	6,666
Selling, general and administrative expenses	2,680	3,596	6,216	7,423
Amortization of intangible assets	65	248	190	517
Gain on disposal of operating assets	(2)	0	(2)	0
Gain on insurance recoveries	0	0	0	(2,495)
Operating (loss) income	(1,284)	(1,101)	(4,936)	1,221
Interest expense, net	193	169	307	335
Gain on extinguishment of debt	(5,106)	0	(5,106)	0
Foreign currency exchange loss, net	3	14	9	21
Other loss (income), net	(36)	42	(68)	103
(Loss) income before income tax expense (benefit)	3,662	(1,326)	(78)	762
Income tax expense (benefit)	23	165	(26)	(740)
Net (loss) income	$ 3,639	$ (1,491)	$ (52)	$ 1,502
Net (loss) income per share
Basic (in dollars per share)	$ 0.62	$ (0.26)	$ (0.01)	$ 0.26
Diluted (in dollars per share)	$ 0.61	$ (0.26)	$ (0.01)	$ 0.25
Weighted-average number of common shares (basic) (in shares)	5,840	5,777	5,819	5,735
Weighted-average number of common shares (diluted) (in shares)	5,961	5,777	5,819	5,932