Annual report pursuant to Section 13 and 15(d)

401 (K) Savings Plan (Details)

v2.4.1.9
401 (K) Savings Plan (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Profit Sharing And Savings Plan [Abstract]      
Maximum employee contribution, percentage 100.00%us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent    
Employer matching contributions $ 324us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount $ 115us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount $ 133us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount