FAIR VALUE MEASUREMENTS AND DERIVATIVE LIABILITY Schedule of the fair value of the loans and compound embedded derivative (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Sep. 30, 2011
Carrying (Reported) Amount, Fair Value Disclosure | Term A Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term Debt, Fair Value	$ 8,130	$ 8,247
Carrying (Reported) Amount, Fair Value Disclosure | Term B Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term Debt, Fair Value	7,600	7,177
Carrying (Reported) Amount, Fair Value Disclosure | 2014 Debentures
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term Debt, Fair Value	42,064	40,736
Estimate of Fair Value, Fair Value Disclosure | Term A Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term Debt, Fair Value	8,467	9,990
Estimate of Fair Value, Fair Value Disclosure | Term B Loan
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term Debt, Fair Value	8,535	8,661
Estimate of Fair Value, Fair Value Disclosure | 2014 Debentures
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term Debt, Fair Value	$ 46,791	$ 45,228