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 ($)
$ in Thousands
6 Months Ended
Jan. 01, 2015
Jun. 30, 2015
Severance Agreement with Former Chief Executive Officer    
Cash severance payments $ 1,100  
Period Of Installment Payable On Cash Severance 18 months  
Changes in severance liability    
Payments during the period   $ (160)
Balance at the ending $ 1,091 $ 931