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STOCK BASED COMPENSATION Summary of assumptions used to value stock options granted in connection with stock incentives (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock compensation recognized $ 1,586 $ 1,156 $ 4,466 $ 3,305
Stock Options [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Expected life (in years)     5 years 9 months 13 days 5 years 7 months 24 days
Expected Volatility Rate, Minimum     79.50% 79.80%
Expected Volatility Rate, Maximum     81.60% 82.10%
Weighted Average Volatility Rate     81.50% 82.00%
Expected dividend     0.00% 0.00%
Risk Free Interest Rate, Minimum     1.70% 0.90%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum     1.90% 1.00%
Employee Stock [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock compensation recognized     $ 456 $ 443
Expected life (in years)     6 months 6 months
Expected Volatility Rate, Minimum     37.10% 47.60%
Expected Volatility Rate, Maximum     50.30% 49.80%
Expected dividend     0.00% 0.00%
Risk Free Interest Rate, Minimum     0.07% 0.11%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum     0.08% 0.14%