Note 7 - Financing Transactions (Detail) - The table below shows the impact of amortization of financing fees and debt discount on the financia (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2010 Warrant [Member] Year 2010 [Member]	Sep. 30, 2010 Conversion Features [Member] Year 2010 [Member]	Sep. 30, 2012 Deferred Financing Costs [Member] Year 2012 [Member]	Sep. 30, 2010 Deferred Financing Costs [Member] Year 2010 [Member]	Sep. 30, 2012 Total [Member] Year 2012 [Member]	Sep. 30, 2010 Total [Member] Year 2010 [Member]
Amortization of financing fees and debt discount	$ 87	$ 105	$ 26	$ 97	$ 26	$ 289