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Commitments and Contingencies (Details)
12 Months Ended
Dec. 31, 2015
USD ($)
item
Dec. 31, 2014
USD ($)
Operating Leases    
Number of operating leases | item 2  
Rent expense $ 384,000 $ 394,000
Future minimum rental payments    
2016 409,000  
2017 133,000  
Future minimum lease obligations 542,000  
Capital Lease Obligations    
2016 211,000  
2017 122,000  
2018 22,000  
Capital Lease Obligations, Total 355,000  
Less amounts representing interest (19,000)  
Future minimum lease obligations $ 336,000  
Minimum    
Operating Leases    
Renewal term 1 year  
Maximum    
Operating Leases    
Renewal term 2 years