Business Segment, Geographic and Major Customer Information - Geographic Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues from External Customers and Long-Lived Assets
Total revenues	$ 29,373	$ 9,165	$ 42,252	$ 20,935
U.S.
Revenues from External Customers and Long-Lived Assets
Total revenues	25,955	6,869	36,289	16,530
UAE
Revenues from External Customers and Long-Lived Assets
Total revenues	3,139	1,319	4,450	2,422
Other countries
Revenues from External Customers and Long-Lived Assets
Total revenues	$ 279	$ 977	$ 1,513	$ 1,983