Quarterly report pursuant to Section 13 or 15(d)

Severance Agreement with Former Chief Executive Officer (Details)

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Severance Agreement with Former Chief Executive Officer (Details) (USD $)
0 Months Ended 3 Months Ended
Jan. 01, 2015
Mar. 31, 2015
Severance Agreement with Former Chief Executive Officer    
Cash severance payments $ 1,100,000us-gaap_SeveranceCosts1  
Period Of Installment Payable On Cash Severance 18 months  
Changes in severance liability    
Balance at the beginning 1,091,000us-gaap_SupplementalUnemploymentBenefitsSeveranceBenefits 1,091,000us-gaap_SupplementalUnemploymentBenefitsSeveranceBenefits
Payments during the period   157,000us-gaap_PaymentsForPostemploymentBenefits
Balance at the ending   $ 934,000us-gaap_SupplementalUnemploymentBenefitsSeveranceBenefits