Revenues - Schedule of Revenue Disaggregated by Timing of Recognition (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 237	$ 286
Product and services transferred at point in time [Member]
Disaggregation of Revenue [Line Items]
Revenue	12	160
Products and services transferred over time [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 225	$ 126

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details