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Separation Obligation (Details) - USD ($)
$ in Thousands
12 Months Ended
Nov. 30, 2016
Sep. 30, 2016
Jun. 30, 2016
Jan. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Apr. 30, 2015
Feb. 28, 2015
Former Executive Chairman [Member]                  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]                  
Compensation arrangement         $ 211        
Distributions paid           $ 140   $ 679  
Former Executive Chairman [Member] | Separation Agreement Payment [Member]                  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]                  
Compensation arrangement                 $ 1,100
Former Executive Chairman [Member] | Payroll Taxes and Medical Benefits [Member]                  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]                  
Compensation arrangement                 $ 208
Former Chief Executive Officer [Member]                  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]                  
Distributions paid         286        
Former Chief Executive Officer [Member] | Separation Agreement Payment [Member]                  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]                  
Distributions paid             $ 150    
Former Chief Executive Officer [Member] | Payroll Taxes and Medical Benefits [Member]                  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]                  
Compensation arrangement             $ 76    
Interim Executive Chairman [Member]                  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]                  
Compensation to be received monthly         30        
Compensation expense         191        
Former Chief Information Officer [Member]                  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]                  
Distributions paid         39        
Former Chief Information Officer [Member] | Separation Agreement Payment [Member]                  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]                  
Compensation arrangement         83        
Former Chief Information Officer [Member] | Payroll Taxes and Medical Benefits [Member]                  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]                  
Compensation arrangement         44        
Former Senior Vice President of Human Resources [Member] | Separation Agreement Payment [Member]                  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]                  
Compensation arrangement         103        
Former Senior Vice President of Human Resources [Member] | Payroll Taxes and Medical Benefits [Member]                  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]                  
Compensation arrangement         75        
Prepaid Expenses and Other Current Assets [Member] | Former Executive Chairman [Member]                  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]                  
Restricted cash and cash equivalents         211        
Accrued Expenses [Member] | Former Chief Executive Officer [Member]                  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]                  
Distributions paid         264        
Accrued Expenses [Member] | Former Chief Information Officer [Member]                  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]                  
Distributions paid         280        
Accrued Expenses [Member] | Former Senior Vice President of Human Resources [Member] | Separation Agreement Payment [Member]                  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]                  
Compensation arrangement         $ 322        
Scenario, Forecast | Former Executive Chairman [Member] | Separation Agreement Payment [Member]                  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]                  
Distributions paid   $ 281              
Period of future payment   12 months              
Scenario, Forecast | Former Chief Executive Officer [Member] | Separation Agreement Payment [Member]                  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]                  
Compensation arrangement     $ 550            
Period of future payment     12 months            
Scenario, Forecast | Former Chief Information Officer [Member] | Separation Agreement Payment [Member]                  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]                  
Compensation arrangement $ 319                
Period of future payment 12 months                
Scenario, Forecast | Former Senior Vice President of Human Resources [Member] | Separation Agreement Payment [Member]                  
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]                  
Compensation arrangement       $ 322          
Period of future payment       12 months