Consolidated Condensed Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Net sales	$ 29,067	$ 24,251
Cost of goods sold	26,330	22,222
Gross profit	2,737	2,029
Selling, general and administrative expenses	4,111	4,072
Amortization of intangible assets	414	425
Gain on disposal or impairment of operating assets	(282)	(1,400)
Operating loss	(1,506)	(1,068)
Interest income	(1)	(9)
Interest expense	292	444
Foreign currency exchange gain, net	(1)	(36)
Other income, net	0	(316)
Loss before income tax benefit	(1,796)	(1,151)
Income tax benefit	(514)	(240)
Net loss	$ (1,282)	$ (911)
Net loss per share
Basic (in dollars per share)	$ (0.23)	$ (0.17)
Diluted (in dollars per share)	$ (0.23)	$ (0.17)
Weighted-average number of common shares (basic) (in shares)	5,535	5,502
Weighted-average number of common shares (diluted) (in shares)	5,535	5,502