Consolidated Statments of Stockholders' Equity And Comprehensive Income (loss) (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, 2009	$ 73,805	$ 90	$ 70,403	$ 661	$ 2,651	$ 73,805	$ 0
Beginning balance, shares at Sep. 30, 2009		8,962,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	9,563				9,563	9,563
Translation adjustment	(1,643)			(1,643)		(1,643)
Comprehensive income (loss)	7,920					7,920
Share repurchase	(202)		(202)			(202)
Stock compensation expense	987		987			987
Restricted shares released, shares		34,000
Stock options exercised, shares		214,000
Stock options exercised	1,329	2	1,327			1,329
Ending balance at Sep. 30, 2010	84,243	92	72,919	(982)	12,214	84,243	0
Ending balance, shares at Sep. 30, 2010		9,210,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	22,119				22,882	22,882	(763)
Translation adjustment	(1,136)			(1,096)		(1,096)	(40)
Comprehensive income (loss)	20,983					21,786	(803)
Deferred tax asset recorded due to legal reorganization	4,025		4,025			4,025
Acquired interest in Kingstone, shares		153,000
Acquired interest in Kingstone	10,650	2	3,833			3,835	6,815
Share repurchase, shares		(153,000)
Share repurchase	(1,225)	(2)	(1,223)			(1,225)
Tax benefit of stock options	855		855			855
Stock compensation expense	1,470		1,470			1,470
Restricted shares released, shares		43,000
Stock options exercised, shares		178,000
Stock options exercised	1,330	2	1,328			1,330
Ending balance at Sep. 30, 2011	122,331	94	83,207	(2,078)	35,096	116,319	6,012
Ending balance, shares at Sep. 30, 2011	9,431,393	9,431,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(27,598)				(23,031)	(23,031)	(4,567)
Translation adjustment	(4,853)			(4,739)		(4,739)	(114)
Comprehensive income (loss)	(32,451)					(27,770)	(4,681)
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		1	(1)
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	9,483,588	9,484,000