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Income Taxes (Details Narrative) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Operating Loss Carryforwards [Line Items]      
Provision (benefit) for income taxes $ 510,091us-gaap_IncomeTaxExpenseBenefit $ (1,573,768)us-gaap_IncomeTaxExpenseBenefit $ 786,407us-gaap_IncomeTaxExpenseBenefit
Tax benefit related to the reversal of unrecognized tax benefits   2,300,000us-gaap_UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations  
Federal net operating loss carryforwards expire expire beginning in 2030 through 2034, if not utilized.    
Tax credit carryforwards 1,100,000us-gaap_TaxCreditCarryforwardAmount    
Undistributed earnings of foreign subsidiaries 3,800,000us-gaap_UndistributedEarningsOfForeignSubsidiaries    
Unrecognized tax benefits that would reduce effective tax rate 300,000us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate    
Accrued interest 100,000us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued    
Unrecognized tax benefits expected to reverse, net twelve months 0us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleAmountOfUnrecordedBenefit    
Research tax credit carryforward      
Operating Loss Carryforwards [Line Items]      
Tax credit carryforwards 600,000us-gaap_TaxCreditCarryforwardAmount
/ us-gaap_TaxCreditCarryforwardAxis
= us-gaap_ResearchMember		    
Domestic tax authority      
Operating Loss Carryforwards [Line Items]      
Federal net operating loss carryforwards $ 65,500,000us-gaap_OperatingLossCarryforwards
/ us-gaap_IncomeTaxAuthorityAxis
= us-gaap_DomesticCountryMember