Revenue (Tables)

12 Months Ended

Dec. 31, 2022

Revenue from Contract with Customer [Abstract]

Schedule of total revenue disaggregated by geographic region

The Company disaggregates its revenue from contracts with customers by country of domicile based on the shipping location of the customer. Total revenue disaggregated by country of domicile is as follows (dollars in thousands):

	Year Ended December 31,
	2022				2021
	Revenue		% of Revenue		Revenue		% of Revenue
Revenue by country of domicile:
Japan	$	3,948	53	%	$	3,404	75	%
United States	2,400		32	%	699		16	%
China	880		12	%	15		—	%
Other	198		3	%	384		9	%
Total	$	7,426	100	%	$	4,502	100	%