Quarterly report pursuant to Section 13 or 15(d)

Entity Level Information - Additional Information (Details)

v3.20.2
Entity Level Information - Additional Information (Details)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2020
USD ($)
Segment
Dec. 31, 2019
USD ($)
Revenues From External Customers And Long Lived Assets [Line Items]    
Number of reporting segment | Segment 1  
Allowance for credit losses $ 52 $ 52
Receivables | Customer Concentration | Customer One    
Revenues From External Customers And Long Lived Assets [Line Items]    
Concentration risk percentage 43.00% 40.00%
Receivables | Customer Concentration | Customer Two    
Revenues From External Customers And Long Lived Assets [Line Items]    
Concentration risk percentage 12.00% 28.00%
U.S [Member]    
Revenues From External Customers And Long Lived Assets [Line Items]    
Long-lived assets $ 5,394 $ 6,626
Asia Pacific [Member]    
Revenues From External Customers And Long Lived Assets [Line Items]    
Long-lived assets $ 1,161 $ 1,492