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Subsequent Event (Details) - Subsequent Event - USD ($)
Apr. 13, 2020
May 28, 2020
Apr. 12, 2020
Chief Executive Officer | COVID-19      
Subsequent Event [Line Items]      
Cash compensation reduction due to pandemic, percentage   15.00%  
Executive Officer | COVID-19      
Subsequent Event [Line Items]      
Cash compensation reduction due to pandemic, percentage   10.00%  
Senior Management | COVID-19      
Subsequent Event [Line Items]      
Cash compensation reduction due to pandemic, percentage   5.00%  
Director | COVID-19      
Subsequent Event [Line Items]      
Cash compensation reduction due to pandemic, percentage   15.00%  
United States | COVID-19      
Subsequent Event [Line Items]      
Employee lay-off due to pandemic, percentage   20.00%  
Europe and Asia Pacific, excluding China | COVID-19      
Subsequent Event [Line Items]      
Employee lay-off due to pandemic, percentage   20.00%  
Fourth Amendment Agreement | Line of Credit      
Subsequent Event [Line Items]      
Maximum borrowing capacity $ 144,800,000   $ 125,000,000
Debt instrument, interest rate, increase (decrease) 5000.00%    
Payments of debt issuance costs $ 257,000    
Payment Protection Program Loan      
Subsequent Event [Line Items]      
Face amount $ 9,444,000    
Debt instrument, interest rate, stated percentage 1.00%    
Debt instrument, periodic payment $ 525,000