SHARE-BASED PAYMENT (Details) (USD $)	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options granted (in shares)			427,000
Shares under option [Abstract]
Options outstanding at September 30, 2011 (in shares)			3,083,000
Granted (in shares)			427,000
Exercised (in shares)			0
Forfeitures or expirations (in shares)			(249,000)
Options outstanding at June 30, 2012 (in shares)	3,261,000		3,261,000
Options vested and expected to vest at June 30, 2012 (in shares)	2,739,000		2,739,000
Options exercisable at June 30, 2012 (in shares)	1,359,000		1,359,000
Weighted-average Exercise Price [Abstract]
Options outstanding at September 30, 2011 (in dollars per share)			$ 6.42
Granted (in dollars per share)			$ 3.64
Exercised (in dollars per share)			$ 0
Forfeitures or expirations (in dollars per share)			$ 7.69
Options outstanding at June 30, 2012 (in dollars per share)	$ 5.96		$ 5.96
Options vested and expected to vest at June 30, 2012 (in dollars per share)	$ 5.98		$ 5.98
Options exercisable at June 30, 2012 (in dollars per share)	$ 7.31		$ 7.31
Weighted-average Remaining contractual term [Abstract]
Options outstanding at June 30, 2012			7 years 8 months
Options vested and expected to vest at June 30, 2012			7 years 10 months
Options exercisable at June 30, 2012			6 years 3 months
Aggregate intrinsic value [Abstract]
Options outstanding at June 30, 2012	$ 177,000		$ 177,000
Options vested and expected to vest at June 30, 2012	153,000		153,000
Options exercisable at June 30, 2012	0		0
Unrecognized compensation cost related to stock options	2,900,000		2,900,000
Annual Meeting2012 [Member]
Aggregate intrinsic value [Abstract]
Stock-based compensation expense	51,000		51,000
Restricted stock units awards outstanding [Abstract]
Total restricted stock units awarded	63,000		63,000
Vesting date	Apr. 13, 2013		Apr. 13, 2013
Vesting date	Apr. 13, 2013		Apr. 13, 2013
Expense related to the restricted stock unit awards [Abstract]
Expense recognized	51,000		51,000
2011 annual meeting [Member]
Aggregate intrinsic value [Abstract]
Stock-based compensation expense	(7,000)		299,000
Expense related to the restricted stock unit awards [Abstract]
Expense recognized	(7,000)		299,000
2009 annual meeting [Member]
Aggregate intrinsic value [Abstract]
Stock-based compensation expense	0		416,000
Expense related to the restricted stock unit awards [Abstract]
Expense recognized	0		416,000
Chief Executive Officer [Member]
Weighted-average assumptions we used to calculate fair value of share-based options using the Black-Scholes model [Abstract]
Expected period that options will be outstanding (in years)			5 years
Interest rate (based on U.S. Treasury yields at time of grant) (in hundredths)			1.59%
Volatility (in hundredths)			46.21%
Dividend yield (in hundredths)			0.00%
Weighted-average fair value of options granted (in dollars per share)			$ 1.95
Chief Financial Officer [Member]
Weighted-average assumptions we used to calculate fair value of share-based options using the Black-Scholes model [Abstract]
Expected period that options will be outstanding (in years)			5 years
Interest rate (based on U.S. Treasury yields at time of grant) (in hundredths)			1.40%
Volatility (in hundredths)			45.50%
Dividend yield (in hundredths)			0.00%
Weighted-average fair value of options granted (in dollars per share)			$ 2.08
Director [Member] | 2010 annual meeting [Member]
Restricted stock units awards outstanding [Abstract]
Number of Board Members Not Standing For Re election			2
Performance Shares [Member]
Expense related to the restricted stock unit awards [Abstract]
Performance stock units approved for issuance (in shares)			800,000
Period for which performance targets are to be achieved and maintained			60 days
Award price one for performance targets (in dollars per share)			$ 8.00
Award price two for performance targets (in dollars per share)			$ 9.50
Award price three for performance targets (in dollars per share)			$ 11.00
Award price four for performance targets (in dollars per share)			$ 13.00
Maximum share price of common stock considered for cash payment (in dollars per share)			$ 15.00
Expiration date of stock awards			Dec. 04, 2011
Stock Options [Member]
Aggregate intrinsic value [Abstract]
Stock-based compensation expense	300,000	300,000	1,000,000	700,000
Weighted-average period for recognition of compensation cost			2 years 9 months
Expense related to the restricted stock unit awards [Abstract]
Expense recognized	300,000	300,000	1,000,000	700,000
Restricted Stock Units (RSUs) [Member]
Aggregate intrinsic value [Abstract]
Reversal of stock based compensation expense			1,500,000
Restricted Stock Units (RSUs) [Member] | Director [Member]
Aggregate intrinsic value [Abstract]
Restricted stock units granted annually (in shares)			9,000
Restricted stock units awards outstanding [Abstract]
Number of restricted stock units considered for cash payment (in shares)			9,000
Restricted Stock Units (RSUs) [Member] | Director [Member] | Subsequent Event [Member]
Restricted stock units awards outstanding [Abstract]
Restricted stock units granted in Period (in shares)			9,000
Restricted Stock Units (RSUs) [Member] | Director [Member] | 2010 annual meeting [Member]
Aggregate intrinsic value [Abstract]
Stock-based compensation expense			100,000
Restricted stock units awards outstanding [Abstract]
Vesting date	Apr. 08, 2010		Apr. 08, 2010
Vesting date	Apr. 08, 2010		Apr. 08, 2010
Expense related to the restricted stock unit awards [Abstract]
Expense recognized			100,000
Amended And Restated 2004 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock available for future issuance under the Plan	1,170,709		1,170,709
Number of options granted (in shares)	27,750		427,250
Weighted-average assumptions we used to calculate fair value of share-based options using the Black-Scholes model [Abstract]
Expected period that options will be outstanding (in years)	5 years	5 years	5 years	4 years 2 months
Interest rate (based on U.S. Treasury yields at time of grant) (in hundredths)	0.78%	1.91%	0.92%	1.83%
Volatility (in hundredths)	48.71%	46.37%	48.76%	46.48%
Dividend yield (in hundredths)	0.00%	0.00%	0.00%	0.00%
Weighted-average fair value of options granted (in dollars per share)	$ 1.98	$ 1.99	$ 1.56	$ 2.08
Weighted-average intrinsic value of options exercised (in thousands)	$ 0	$ 36,000	$ 0	$ 119,000
Shares under option [Abstract]
Granted (in shares)	27,750		427,250
Amended And Restated 2004 Stock Incentive Plan [Member] | In and After August 2010 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			4 years
Percentage of shares vesting on the first anniversary of the grant date (in hundredths)			25.00%
Additional shares vesting each month until the fourth anniversary			1/48th
Expiration period from grant date			10 years
Amended And Restated 2004 Stock Incentive Plan [Member] | Prior to August 2010 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period			5 years
Expiration period from grant date			10 years
Percentage of shares vesting on each of the first five anniversaries of the grant date (in hundredths)			20.00%
Inducement Grant [Member] | Chief Executive Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vesting on the first anniversary of the grant date (in hundredths)			25.00%
Additional shares vesting each month until the fourth anniversary			1/48th
Expiration period from grant date			10 years
Number of options granted (in shares)			100,000
Shares under option [Abstract]
Granted (in shares)			100,000
Inducement Grant [Member] | Chief Financial Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vesting on the first anniversary of the grant date (in hundredths)			25.00%
Additional shares vesting each month until the fourth anniversary			1/48th
Expiration period from grant date			10 years
Number of options granted (in shares)			250,000
Shares under option [Abstract]
Granted (in shares)			250,000