Consolidated Statements of Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings	Total Stockholders' Equity	Non-controlling Interest
Beginning balance at Sep. 30, 2011	$ 122,331	$ 94	$ 83,207	$ (2,078)	$ 35,096	$ 116,319	$ 6,012
Beginning balance, shares at Sep. 30, 2011		9,431,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(27,598)				(23,031)	(23,031)	(4,567)
Translation adjustment	(4,853)			(4,739)		(4,739)	(114)
Write-off of foreign tax credits due to legal reorganization	(7,595)		(7,595)			(7,595)
Stock compensation expense	1,763		1,763			1,763
Restricted shares released, shares		52,000
Restricted shares released	0	1	(1)			0
Stock options exercised, shares		1,000
Stock options exercised	3	0	3			3
Ending balance at Sep. 30, 2012	84,051	95	77,377	(6,817)	12,065	82,720	1,331
Ending balance, shares at Sep. 30, 2012		9,484,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(21,707)				(20,069)	(20,069)	(1,638)
Translation adjustment	2,225			2,261		2,261	(36)
Tax benefit (deficiency) of stock compensation	(264)		(264)			(264)
Stock compensation expense	2,472		2,472			2,472
Restricted shares released, shares		59,000
Restricted shares released	2	1	1			2
Stock options exercised, shares		8,000
Stock options exercised	24	0	24			24
Ending balance at Sep. 30, 2013	66,803	96	79,610	(4,556)	(8,004)	67,146	(343)
Ending balance, shares at Sep. 30, 2013	9,550,809	9,551,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(14,289)				(13,047)	(13,047)	(1,242)
Translation adjustment	(1,202)			(1,234)		(1,234)	32
Tax benefit (deficiency) of stock compensation	345		345			345
Stock compensation expense	795		795			795
Restricted shares released, shares		34,000
Restricted shares released	0	0	0			0
Stock options exercised, shares		263,000
Stock options exercised	1,136	2	1,134			1,136
Ending balance at Sep. 30, 2014	$ 53,588	$ 98	$ 81,884	$ (5,790)	$ (21,051)	$ 55,141	$ (1,553)
Ending balance, shares at Sep. 30, 2014	9,848,253	9,848,000