CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss [Member]	Treasury Stock [Member]	Total
BALANCE at Sep. 30, 2013	$ 88	$ 72,726	$ (20,021)	$ (1,278)	$ (140)	$ 51,375
BALANCE (in Shares) at Sep. 30, 2013	8,795,023
BALANCE (in treasury shares) at Sep. 30, 2013					(14,246)
Issuance of common stock	$ 20	53,608				53,628
Issuance of common stock (in Shares)	2,018,250
Exercise of stock options	$ 6	173				$ 179
Exercise of stock options (in Shares)	42,709					42,709
Vesting of restricted stock (in Shares)	433,116
Share-based compensation expense		8,446				$ 8,446
Excess tax benefits from stock-based compensation awards		7				7
Translation adjustments				(342)		(342)
Net loss			(22,383)			(22,383)
BALANCE at Sep. 30, 2014	$ 114	134,960	(42,404)	(1,620)	$ (140)	90,910
BALANCE (in Shares) at Sep. 30, 2014	11,289,098
BALANCE (in treasury shares) at Sep. 30, 2014					(14,246)
Exercise of stock options		52				$ 52
Exercise of stock options (in Shares)	18,000					18,000
Vesting of restricted stock	$ 2					$ 2
Vesting of restricted stock (in Shares)	332,999
Share-based compensation expense		4,733				4,733
Translation adjustments		(13)		(355)		(368)
Net loss			(49,787)			(49,787)
BALANCE at Sep. 30, 2015	$ 116	139,732	(92,191)	(1,975)	$ (140)	$ 45,542
BALANCE (in Shares) at Sep. 30, 2015	11,640,097
BALANCE (in treasury shares) at Sep. 30, 2015					(14,246)	(14,246)
Exercise of stock options		105				$ 105
Exercise of stock options (in Shares)	22,500					22,500
Vesting of restricted stock	$ 3					$ 3
Vesting of restricted stock (in Shares)	275,435
Share-based compensation expense		2,831				2,831
Translation adjustments				109		109
Net loss			(14,632)			(14,632)
BALANCE at Sep. 30, 2016	$ 119	$ 142,668	$ (106,823)	$ (1,866)	$ (140)	$ 33,958
BALANCE (in Shares) at Sep. 30, 2016	11,938,032
BALANCE (in treasury shares) at Sep. 30, 2016					(14,246)	(14,246)