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INCOME TAXES (Details) (USD $)
 6 Months Ended 12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Sep. 30, 2013
Income Tax Disclosure [Abstract]      
Effective income tax rate 28.80% 25.40%  
Forecasted annual ITC and PTC for effective tax rate calculation $ 18,900,000   $ 13,400,000
Operating Loss Carryforwards [Line Items]      
ITC carryforward, expiration period     20 years
State and Local Jurisdiction [Member]
      
Operating Loss Carryforwards [Line Items]      
Net operating loss carryforwards 125,300,000   104,400,000
Net operating loss carryforwards, expiration term 20 years    
Deferred tax assets, operating loss carryforwards 7,300,000   6,100,000
Valuation allowance 229,000   262,000
Internal Revenue Service (IRS) [Member]
      
Operating Loss Carryforwards [Line Items]      
ITC carryforward     $ 40,000,000