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Segment Information (Tables)
3 Months Ended
Mar. 31, 2023
Segment Reporting [Abstract]  
Schedule of Revenue by Geographic Region
Revenue by geographic region, is as follows:
 Three Months Ended
March 31,
 20232022
Japan$5,559 $7,399 
China3,926 7,131 
Taiwan421 1,164 
United States60 858 
Europe— 76 
$9,966 $16,628 
Schedule of Revenue from Significant Customers
The percentage of revenue attributable to our distributors, top five end customers, and individual distributors or end customers that represented 10% or more of revenue in at least one of the periods presented, is as follows:
 Three Months Ended
March 31,
 20232022
Distributors:
All distributors55 %63 %
Distributor A30 %32 %
Distributor B13 %12 %
End customers: 1
Top five end customers87 %80 %
End customer A42 %32 %
End customer B18 %%
End customer C12 %— %
End customer D— %32 %

1End customers include customers who purchase directly from us, as well as customers who purchase our products indirectly through distributors.
Schedule of Accounts Receivable Percentage from Significant Customers
The following accounts represented 10% or more of total accounts receivable in at least one of the periods presented:
March 31,
2023
December 31,
2022
Account W39 %27 %
Account X33 %31 %
Account Y%11 %
Account Z— %12 %