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Label Element Value
Employee Stock Option [Member]  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber 714,451
Restricted Stock [Member]  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber 419,674