Quarterly report pursuant to Section 13 or 15(d)

Revenue (Details)

v3.21.1
Revenue (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
 [1]
Disaggregation of Revenue [Line Items]    
Revenue disaggregation $ 4,014 $ 3,071
Government [Member]    
Disaggregation of Revenue [Line Items]    
Revenue disaggregation 1,053 1,118
Non-Government [Member]    
Disaggregation of Revenue [Line Items]    
Revenue disaggregation $ 2,961 $ 1,953
[1] As noted above, prior periods have not been adjusted for the adoption of ASC 606 and are presented in accordance withhistoricalaccounting guidance in effect for those periods.