Consolidated Condensed Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Statement of Comprehensive Income [Abstract]
Net loss	$ (2,609)	$ (2,598)
Other comprehensive income (loss):
Foreign currency translation adjustment	(1,048)	(447)
Retirement plan liability adjustment, net of tax	234	193
Interest rate swap agreement adjustment, net of tax	16	0
Comprehensive loss	$ (3,407)	$ (2,852)