Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2022	Sep. 30, 2021
Income Statement [Abstract]
Sales	$ 18,690	$ 97,028	$ 62,160
Cost of sales	14,059	69,239	46,033
Gross profit	4,631	27,789	16,127
Operating expenses	2,500	9,845	9,329
Selling, general and administrative expense	3,688	15,571	14,890
Depreciation and amortization expense	345	1,234	1,228
Gain on disposal of assets	0	338	23
Income (loss) from operations	(1,902)	1,477	(9,297)
Other income (expense):
Gain on extinguishment of debt	0	0	2,955
Interest income	0	0	135
Interest expense	(55)	(176)	(238)
Other expense	(72)	(822)	(110)
Other income (expense), net	(127)	(998)	2,742
Income (loss) before income taxes	(2,029)	479	(6,555)
Income tax provision (benefit)	0	8	(53)
Net income (loss)	$ (2,029)	$ 471	$ (6,502)
Income (loss) per share:
Basic (in dollars per share)	$ (0.16)	$ 0.03	$ (0.52)
Diluted (in dollars per share)	$ (0.16)	$ 0.03	$ (0.52)
Shares used in per share calculation:
Basic (in shares)	12,683,312	13,484,271	12,401,043
Diluted (in shares)	12,683,312	13,484,271	12,401,043
Revenue from Contract with Customer, Product and Service [Extensible Enumeration]	Product [Member]	Product [Member]	Product [Member]