Domestic and Foreign Revenues - Significant Foreign Revenues from Operations (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Entity Wide Revenue Major Customer [Line Items]
Revenues from operations	$ 8,673	$ 8,417	$ 7,064	$ 7,691	$ 6,860	$ 7,173	$ 6,407	$ 6,254	$ 31,845	$ 26,694
Malaysia [Member]
Entity Wide Revenue Major Customer [Line Items]
Revenues from operations									5,334	2,745
Hong Kong [Member]
Entity Wide Revenue Major Customer [Line Items]
Revenues from operations									649	682
All other foreign countries [Member]
Entity Wide Revenue Major Customer [Line Items]
Revenues from operations									3,423	2,315
Foreign [Member]
Entity Wide Revenue Major Customer [Line Items]
Revenues from operations									9,406	5,742
Domestic [Member]
Entity Wide Revenue Major Customer [Line Items]
Revenues from operations									$ 22,439	$ 20,952