Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies Narrative (Details)

v3.19.1
Commitments and Contingencies Narrative (Details)
$ in Thousands
1 Months Ended 12 Months Ended
Jul. 19, 2018
USD ($)
Jan. 12, 2018
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
office_space
Dec. 31, 2016
USD ($)
May 01, 2018
USD ($)
Oct. 21, 2016
USD ($)
Loss Contingencies [Line Items]                
Rent expense       $ 899 $ 1,300 $ 1,300    
Sublease payment received     $ 122   122      
Term loan, at face value     8,000 4,000 8,000      
Accrued prepayment fee   $ 800            
Proceeds from sale of BriefCam, Ltd.       9,778 0 0    
Loss on debt extinguishment       $ (1,189) 0 $ 0    
Percentage bearing variable interest, percentage       9.50%        
London, United Kingdom                
Loss Contingencies [Line Items]                
Restructuring reserve, current     194   194      
Business exit costs     $ 72          
Sublease payment received         122      
Minneapolis Headquarters                
Loss Contingencies [Line Items]                
Restructuring reserve, current             $ 224  
Business exit costs       $ 177        
Sublease payment received         $ 0      
BriefCam, Canon Inc                
Loss Contingencies [Line Items]                
Proceeds from sale of BriefCam, Ltd. $ 9,800              
ESW Holdings, Inc.                
Loss Contingencies [Line Items]                
Term loan, at face value   $ 10,000            
Periodic payment 6,500              
Periodic payment, interest 463              
Periodic payment, principal 6,000              
Loss on debt extinguishment $ 1,200              
Basis spread on variable rate   4.00%            
Long-term debt       $ 3,400        
Hale Capital, LLP                
Loss Contingencies [Line Items]                
Term loan, at face value   $ 8,000           $ 8,000
Prepayment fee, percentage   10.00%            
Basis spread on variable rate   6.00%            
Payment for debt extinguishment or debt prepayment cost   $ 8,800            
London, United Kingdom                
Loss Contingencies [Line Items]                
Office space available for sublease | office_space         1      
Number of office spaces | office_space         2