Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Net loss	$ (11,335)	$ (2,872)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment, net of tax $0 and $0, respectively	108	120
Retirement plan liability adjustment, net of tax $0 and $850, respectively	(940)	(1,500)
Interest rate swap agreement adjustment, net of tax $0 and $0, respectively	(30)	5
Comprehensive loss	$ (12,197)	$ (4,247)