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COMMITMENTS AND CONTINGENCIES (Details) (USD $)
Mar. 31, 2015
Feb. 28, 2011
Apr. 30, 2009
Commitments and Contingencies Disclosure [Abstract]      
Net capital cost value     $ 5,000,000gff_NetCapitalCostValue
Obligation under consent order   0gff_ObligationUnderConsentOrder  
Net capital cost value in proposed remedial action plan   10,000,000gff_NetCapitalCostValueInProposedRemediaActionPlan  
Loss contingency claim asserted $ 0gff_LossContingencyClaimAsserted