Quarterly report pursuant to Section 13 or 15(d)

Revenue - Revenues by Customers (Details)

v3.22.2.2
Revenue - Revenues by Customers (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Disaggregation of Revenue [Line Items]        
Total revenues $ 36,728 $ 32,148 $ 69,595 $ 63,846
NASA | Revenue from Contract with Customer Benchmark | Customer Concentration Risk        
Disaggregation of Revenue [Line Items]        
Total revenues 6,002 8,120 14,441 19,057
Boeing | Revenue from Contract with Customer Benchmark | Customer Concentration Risk        
Disaggregation of Revenue [Line Items]        
Total revenues 6,049 5,018 11,511 9,049
Air Force Research Laboratory | Revenue from Contract with Customer Benchmark | Customer Concentration Risk        
Disaggregation of Revenue [Line Items]        
Total revenues 0 3,201 0 6,545
Major Customers | Revenue from Contract with Customer Benchmark | Customer Concentration Risk        
Disaggregation of Revenue [Line Items]        
Total revenues $ 12,051 $ 16,339 $ 25,952 $ 34,651