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Oblong Industries Acquisition - Additional Information (Details) - USD ($)
$ in Thousands
Oct. 01, 2019
Mar. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Business Acquisition [Line Items]        
Goodwill   $ 7,366 $ 7,907 $ 2,795
Oblong Industries        
Business Acquisition [Line Items]        
Purchase price $ 18,862      
Assets acquired 11,496      
Intangible assets acquired 12,780      
Goodwill $ 7,366 $ 7,366