Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss [Member]	Receivable for Common Stock Issued [Member]	Treasury Stock [Member]
Beginning balance at Sep. 30, 2014	$ 11,315	$ 43	$ 194,260	$ (182,372)	$ (421)	$ (26)	$ (169)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock compensation	963		963
Issuance of common stock	710	1	709
Exercise of common stock options	41	0	41
Foreign currency translation adjustment	(701)				(701)
Net loss	(4,525)			(4,525)
Ending balance at Sep. 30, 2015	7,803	44	195,973	(186,897)	(1,122)	(26)	(169)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock compensation	847		847
Stock and Warrants Issued, Value, Stock Options Exercised, Net of Tax Benefit (Expense)	244	0	244
Exercise of common stock options	0
Foreign currency translation adjustment	939				939
Net loss	(3,317)			(3,317)
Ending balance at Sep. 30, 2016	$ 6,516	$ 44	$ 197,064	$ (190,214)	$ (183)	$ (26)	$ (169)