Consolidated Statements of Stockholders' Equity (USD $) In Thousands	Total	Common Stock [Member]	Additional paid-in capital [Member]	Accumulated Deficit [Member]	Receivable for common stock issued [Member]	Treasury stock [Member]
Beginning balance at Sep. 30, 2010	$ 7,137	$ 37	$ 185,973	$ (178,678)	$ (26)	$ (169)
Stock compensation and other	664		664
Issuance of common stock	32		32
Exercise of common stock warrants and options	1,671	1	1,670
Net income (loss)	(243)			(243)
Ending balance at Sep. 30, 2011	9,261	38	188,339	(178,921)	(26)	(169)
Stock compensation and other	742		742
Issuance of common stock	134		134
Exercise of common stock warrants and options	245	1	244
Net income (loss)	157			157
Ending balance at Sep. 30, 2012	$ 10,539	$ 39	$ 189,459	$ (178,764)	$ (26)	$ (169)