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Income Taxes (Details) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Taxes [Abstract]      
Income tax benefit       $ 613,397us-gaap_IncomeTaxExpenseBenefit
Professional fees     61,340us-gaap_ProfessionalFees
Deferred tax assets:      
Depreciation 113,000us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment 104,000us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment  
Allowance for bad debts 108,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts 70,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts  
Net operating loss carry-forwards 25,469,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards 23,116,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards  
Stock option expense 1,439,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost 1,347,000us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost  
Research and other credits 1,031,000us-gaap_DeferredTaxAssetsTaxCreditCarryforwards 972,000us-gaap_DeferredTaxAssetsTaxCreditCarryforwards  
Other temporary differences 15,000us-gaap_DeferredTaxAssetsOther 15,000us-gaap_DeferredTaxAssetsOther  
Total gross deferred tax assets 28,175,000us-gaap_DeferredTaxAssetsGross 25,624,000us-gaap_DeferredTaxAssetsGross  
Less valuation allowance (28,175,000)us-gaap_DeferredTaxAssetsValuationAllowance (25,624,000)us-gaap_DeferredTaxAssetsValuationAllowance  
Deferred Tax Assets, Net of Valuation Allowance        
Operating Loss Carryforwards [Line Items]      
Net operating loss carry-forward 64,000,000us-gaap_OperatingLossCarryforwards    
Research and other credit carry-forwards $ 1,031,000us-gaap_TaxCreditCarryforwardAmount    
Earliest Tax Year [Member]      
Operating Loss Carryforwards [Line Items]      
Net operating loss carry-forward expiration dates Dec. 31, 2014    
Research and other credit carry-forwards expiration dates Dec. 31, 2014    
Latest Tax Year [Member]      
Operating Loss Carryforwards [Line Items]      
Net operating loss carry-forward expiration dates Dec. 31, 2034    
Research and other credit carry-forwards expiration dates Dec. 31, 2034