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The Company and Basis of Presentation - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended
May 09, 2020
Mar. 27, 2019
Nov. 06, 2018
Mar. 31, 2020
Mar. 31, 2019
Apr. 30, 2020
Dec. 31, 2019
Company And Basis Of Presentation [Line Items]              
Working capital       $ 53,800      
Cash       27,466     $ 47,113
Stock-based compensation       3,568 $ 1,612    
Reclassification              
Company And Basis Of Presentation [Line Items]              
Stock-based compensation         $ 100    
Subsequent Event | Expanded Credit Facility              
Company And Basis Of Presentation [Line Items]              
Debt instrument, maturity date May 31, 2025            
Squadron Credit Agreement              
Company And Basis Of Presentation [Line Items]              
Debt instrument, maturity date   Nov. 30, 2023 Nov. 30, 2023        
Squadron Credit Agreement | Subsequent Event | Expanded Credit Facility              
Company And Basis Of Presentation [Line Items]              
Maximum borrowing capacity $ 35,000            
Current Lenders              
Company And Basis Of Presentation [Line Items]              
Minimum financial covenant cash balance       $ 5,000      
Term Loan | Squadron Credit Agreement | Subsequent Event              
Company And Basis Of Presentation [Line Items]              
Amount drawn on credit facility           $ 20,000