SHAREHOLDERS' EQUITY: (Details 4) (USD $)	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Apr. 30, 2012
Restricted stock grants
Stock compensation expense	$ 200,000	$ 400,000
Number of shares of common stock reserved for issuance	1,079,847
Exercise price of warrants (in dollars per share)			$ 1.30
2006 Plan
Restricted stock grants
Number of shares of common stock reserved for issuance	2,750,000
Restricted Stock
Number Of Shares
Outstanding at the beginning of the period (in shares)	52,500	95,000
Granted (in shares)	53,750	35,000
Issued (in shares)	(53,750)	(77,500)
Outstanding at the end of the period (in shares)	52,500	52,500
Weighted Average Fair Value Grant-Date
Outstanding at the beginning of the period (in dollars per share)	$ 2.85	$ 2.42
Granted (in dollars per share)	$ 2.28	$ 0.56
Issued (in dollars per share)	$ 2.28	$ 1.29
Outstanding at the end of the period (in dollars per share)	$ 2.85	$ 2.85
Restricted stock grants
Number of shares granted	53,750	35,000
Issued (in shares)	(53,750)	(77,500)
Unrecognized compensation costs related to non-vested non-performance based restricted stock awards	186,000
Restricted Stock | Non-employee directors
Number Of Shares
Granted (in shares)	53,750	35,000
Issued (in shares)	(35,000)	(35,000)
Restricted stock grants
Number of shares granted	53,750	35,000
Issued (in shares)	(35,000)	(35,000)
Stock compensation expense	122,500	20,000
Share based compensation expense related to prior periods' grants		$ 14,000
Warrants | Consultants
Restricted stock grants
Warrants granted to purchase common stock (in shares)	20,000
Exercise price of warrants (in dollars per share)	$ 2.28
Number of equal annual installments in which warrants vest	2