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Business Combination - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Jan. 10, 2019
Mar. 31, 2020
Dec. 31, 2019
Business Acquisition [Line Items]      
Business Combination, Deferred Consideration Payment Period   18 months  
Goodwill   $ 7,447 $ 7,447
1Mobility      
Business Acquisition [Line Items]      
Total purchase price $ 1,000    
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill 900    
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability 200    
Goodwill $ 100    
Estimated useful life of technology-based intangible assets 15 years    
Developed Technology [Member]      
Business Acquisition [Line Items]      
Estimated useful life of technology-based intangible assets   4 years