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INCOME TAXES (Details) - Schedule of Deferred Tax Assets and Liabilities (USD $)
Jan. 31, 2014
Jan. 31, 2013
Assets:    
Deferral of service contract income   $ 136,000
Accrued liabilities 331,000 46,000
Stock based compensation 185,000 338,000
Property and equipment, net   613,000
Federal net operating loss carryforward   7,625,000
AMT credit carryforward 19,751,000 23,589,000
Alcohol fuels tax credit 546,000 573,000
State net operating loss carryforward 2,833,000 3,236,000
Other items 396,000 748,000
Valuation allowance (2,017,000) (1,891,000)
Total 22,025,000 35,013,000
Liabilities:    
Basis in pass through entities, including depreciation (39,195,000) (36,489,000)
Other (297,000) (1,735,000)
Total (39,492,000) (38,224,000)
Net deferred tax liability $ (17,467,000) $ (3,211,000)