Consolidated Condensed Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Net sales	$ 24,615	$ 29,044	$ 44,695	$ 55,696
Cost of goods sold	20,914	22,740	37,992	43,822
Gross profit	3,701	6,304	6,703	11,874
Selling, general and administrative expenses	4,486	3,444	8,930	6,902
Amortization of intangible assets	520	545	1,040	1,090
Loss (gain) on disposal of operating assets	2	0	2	(2)
Operating income (loss)	(1,307)	2,315	(3,269)	3,884
Interest income	(3)	(5)	(7)	(9)
Interest expense	48	51	108	136
Foreign currency exchange (gain) loss, net	(48)	(1)	(57)	6
Other income, net	(107)	(108)	(214)	(217)
Income (loss) from continuing operations before income tax provision (benefit)	(1,197)	2,378	(3,099)	3,968
Income tax provision (benefit)	(334)	867	(894)	1,303
Income (loss) from continuing operations	(863)	1,511	(2,205)	2,665
Income (loss) from discontinued operations, net of tax	799	(85)	736	(292)
Net income (loss)	$ (64)	$ 1,426	$ (1,469)	$ 2,373
Income (loss) per share from continuing operations
Basic (in dollars per share)	$ (0.16)	$ 0.28	$ (0.41)	$ 0.49
Diluted (in dollars per share)	$ (0.16)	$ 0.28	$ (0.41)	$ 0.49
Income (loss) per share from discontinued operations, net of tax
Basic (in dollars per share)	$ 0.15	$ (0.02)	$ 0.14	$ (0.05)
Diluted (in dollars per share)	$ 0.15	$ (0.02)	$ 0.14	$ (0.05)
Net income (loss) per share
Basic (in dollars per share)	$ (0.01)	$ 0.26	$ (0.27)	$ 0.44
Diluted (in dollars per share)	$ (0.01)	$ 0.26	$ (0.27)	$ 0.44
Weighted-average common shares outstanding (basic) (in shares)	5,438	5,407	5,430	5,393
Weighted-average common shares outstanding (diluted) (in shares)	5,446	5,423	5,447	5,415