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INCOME TAXES (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Mar. 31, 2014
INCOME TAXES      
Net operating loss (NOL) carryforwards $ 14,800,000us-gaap_OperatingLossCarryforwards    
Tax credit carryforwards 2,700,000us-gaap_TaxCreditCarryforwardAmount    
Expiration period from date of origination for net operating loss carryforwards 20 years    
Annual limitation for usage of NOL 1,400,000mfnc_OperatingLossCarryforwardsAnnualLimitForUtilization    
Annual limitation for usage of tax credits 476,000mfnc_TaxCreditCarryforwardsAnnualLimitForUtilization    
Deferred tax assets, net of valuation allowance 10,332,000us-gaap_DeferredTaxAssetsNet 11,498,000us-gaap_DeferredTaxAssetsNet 9,533,000us-gaap_DeferredTaxAssetsNet
Valuation allowance 760,000us-gaap_DeferredTaxAssetsValuationAllowance    
Adjustment warranted to the valuation $ 0mfnc_ValuationAllowanceAmountOfAdjustment