Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets and Goodwill (Narrative) (Details)

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Intangible Assets and Goodwill (Narrative) (Details) - USD ($)
$ in Thousands
Oct. 03, 2014
Mar. 31, 2020
Dec. 31, 2019
Goodwill And Intangible Assets [Line Items]      
Goodwill   $ 6,739 $ 7,203
Kulu Valley Ltd      
Goodwill And Intangible Assets [Line Items]      
Goodwill acquired during period $ 8,800    
Intangible assets acquired during the period $ 6,700    
Goodwill   $ 6,700