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Business Combination - Narrative (Details)
$ / shares in Units, $ in Thousands, € in Millions
Jan. 17, 2020
USD ($)
$ / shares
shares
Sep. 30, 2020
USD ($)
$ / shares
Mar. 31, 2020
USD ($)
Mar. 31, 2020
EUR (€)
Dec. 31, 2019
USD ($)
Business Acquisition [Line Items]          
Share price (usd per share) | $ / shares $ 4.22 $ 7.43      
Goodwill   $ 106,455     $ 104,108
InstruNor AS          
Business Acquisition [Line Items]          
Total purchase price $ 7,214        
Cash consideration paid to former equity holders $ 5,165        
Purchase price (shares) | shares 485,451        
Goodwill $ 2,220   $ 2,200 € 2.0