Annual report pursuant to Section 13 and 15(d)

Credit Risk and Concentrations (Details)

v3.21.1
Credit Risk and Concentrations (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Concentration Risk [Line Items]    
Revenues $ 9,297 $ 6,301
Revenue from Contract with Customer Benchmark | Customer A | Customer Concentration Risk    
Concentration Risk [Line Items]    
Concentration risk percentage 26.00% 42.00%
Revenues $ 2,460 $ 2,661
Revenue from Contract with Customer Benchmark | Customer B | Customer Concentration Risk    
Concentration Risk [Line Items]    
Concentration risk percentage 13.00% 19.00%
Revenues $ 1,221 $ 1,224