Annual report pursuant to Section 13 and 15(d)

Revenues from Contracts and Significant Customers - Additional Information (Details)

v3.20.1
Revenues from Contracts and Significant Customers - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Revenue from Contract with Customer, Including Assessed Tax $ 34,921 $ 23,376
Customer One [Member] | Customer Concentration Risk [Member] | Revenue    
Concentration Risk, Percentage 50.00% 48.50%
Customer One [Member] | Customer Concentration Risk [Member] | Accounts Receivable    
Concentration Risk, Percentage 21.00% 79.10%
Customer Two [Member] | Customer Concentration Risk [Member] | Revenue    
Concentration Risk, Percentage 10.00% 10.60%
Customer Two [Member] | Customer Concentration Risk [Member] | Accounts Receivable    
Concentration Risk, Percentage 18.00%  
License and Service [Member]    
Revenue from Contract with Customer, Including Assessed Tax $ 1,700 $ 3,500
Ximino    
Revenue from Contract with Customer, Including Assessed Tax $ 3,600