SHAREHOLDERS' EQUITY: (Details) (USD $)	12 Months Ended		0 Months Ended					0 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Jun. 15, 2012 Common Stock	Mar. 16, 2012 Common Stock	Sep. 30, 2013 Common Stock	Sep. 30, 2012 Common Stock	Sep. 30, 2011 Common Stock	Apr. 30, 2012 Standby purchase agreement Common Stock
Value of shares that can be purchased under non-transferable rights				$ 4,200,000
Number of shares entitled by holder under each subscription right				0.532
Common stock price under subscription right				$ 1.30
Common stock owned by Wynnefield Capital (as a percent)								21.00%
Proceeds from rights offering	$ 0	$ 4,197,000	$ 4,200,000
Number of shares issued as rights			3,230,769
Shares outstanding	9,318,000	9,266,000	9,265,702		9,318,000	9,266,000	6,021,000
Issuance of number of shares to officers and directors under Rights Offering			137,678
Issuance of number of shares to entities affiliated to Wynnefield Capital			2,840,251