INCOME TAXES (Details) (USD $)	6 Months Ended		12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Sep. 30, 2014	Sep. 30, 2015
Income Tax Disclosure [Abstract]
Effective income tax rate	24.90%	28.80%
Operating Loss Carryforwards [Line Items]
Forecasted annual ITC for effective tax rate calculation			$ 18,700,000
Forecasted annual PTC for effective tax rate calculation			187,000
ITC carryforward, expiration period			20 years
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	181,000,000		153,200,000
Net operating loss carryforwards, expiration term	20 years
Deferred tax assets, operating loss carryforwards	10,600,000		9,000,000
Valuation allowance	213,000		212,000
Internal Revenue Service (IRS) [Member]
Operating Loss Carryforwards [Line Items]
ITC carryforward			7,500,000
Forecast [Member]
Operating Loss Carryforwards [Line Items]
Forecasted annual ITC for effective tax rate calculation				24,500,000
Forecasted annual PTC for effective tax rate calculation				$ 2,200,000