Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Income Statement [Abstract]
Revenues	$ 110,341	$ 149,977
Cost of goods sold	95,342	126,827
Gross profit	14,999	23,150
Selling, general and administrative expenses	15,698	19,400
Research and development expenses	1,469	1,854
Amortization of intangible assets	88	88
Restructuring and separation expenses	0	3,797
Operating loss	(2,256)	(1,989)
Other income	(507)	(507)
Interest expense	34	24
Interest income	(42)	0
Loss before income taxes	(1,741)	(1,506)
Income tax benefit	(1,441)	(1,047)
Net loss	$ (300)	$ (459)
Loss per share:
Basic (in dollars per share)	$ (0.03)	$ (0.04)
Diluted (in dollars per share)	$ (0.03)	$ (0.04)
Weighted average shares:
Basic (in shares)	11,438	11,395
Diluted (in shares)	11,438	11,395
Dividends per share (in dollars per share)	$ 0.26	$ 0.26