Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Income Statement [Abstract]
Sales	$ 50,182	$ 55,118
Cost of sales	38,502	41,660
Gross profit	11,680	13,458
Operating expenses	8,166	6,364
Selling, general and administrative expense	11,249	9,962
Impairment of right-of-use asset	660	0
Impairment of intangibles including goodwill	8,714	0
Depreciation and amortization expense	1,554	1,453
Gain on disposal of assets	133	345
Loss from operations	(18,530)	(3,976)
Other income (expense):
Interest income	321	96
Interest expense	(254)	(80)
Income from equity method investment	41	136
Other expense	(160)	(224)
Other expense, net	(52)	(72)
Loss before income taxes	(18,582)	(4,048)
Income tax benefit	(1,249)	(13)
Loss from continuing operations	(17,333)	(4,035)
Loss from discontinued operations, net of tax	0	(1,267)
Net loss	$ (17,333)	$ (5,302)
Loss per share:
Continuing operations (in dollars per share)	$ (1.55)	$ (0.39)
Discontinued operations (in dollars per share)	0	(0.12)
Net loss (in dollars per share)	$ (1.55)	$ (0.51)
Shares used in per share calculation:
Basic and diluted (in shares)	11,163,660	10,361,292