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Compensatory Plan Obligations (Details) - USD ($)
 1 Months Ended 12 Months Ended
Jul. 21, 2015
Jun. 30, 2015
Jul. 31, 2015
Dec. 31, 2015
Dec. 31, 2016
Restructuring Cost and Reserve [Line Items]          
Restructuring costs       $ 1,012,000  
Accrued restructuring costs       $ 2,639,000 $ 0
Chief Financial Officer          
Restructuring Cost and Reserve [Line Items]          
Cash award granted   $ 138,000      
Deferred compensation payable   $ 179,000      
Effective base salary (period)   7 months      
Severance paid (period)   7 months      
Payment contribution for COBRA premiums (period)   7 months      
Accrued restructuring costs   $ 335,000     0
President          
Restructuring Cost and Reserve [Line Items]          
Cash award granted $ 100,000        
Deferred compensation payable 900,000        
Accrued restructuring costs $ 1,046,000       0
Severance costs, payment period 12 months        
Services Business | Discontinued Operations Disposed of by Sale | Employee Severance          
Restructuring Cost and Reserve [Line Items]          
Restructuring reserve   $ 999,000      
Remaining severance obligation         $ 0
Payments for restructuring     $ 215,000    
Retention compensation payable, maximum     $ 814,000