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Segment Information
 9 Months Ended
Sep. 30, 2023
Segment Reporting [Abstract]  
Segment Information SEGMENT INFORMATION
We operate in one segment: the design, development, marketing and sale of IC solutions for use in electronic display devices. We generate our revenue from two broad product markets: the Mobile market and the Home & Enterprise market. The chief operating decision maker, or CODM, is our CEO. Our CODM evaluates financial performance and allocates resources using financial information reported on a company-wide basis. The Cinema market does not contribute material revenue and is therefore being included in this one segment.
Geographic Information
Revenue by geographic region, is as follows:
 Three Months EndedNine Months Ended
September 30,September 30,
 2023202220232022
China$8,777 $5,482 $20,906 $21,371 
Japan7,070 10,908 17,752 27,604 
Taiwan185 464 836 2,421 
United States— 648 109 1,736 
Korea— 50 — 50 
Europe— — — 76 
$16,032 $17,552 $39,603 $53,258 

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 EndedNine Months Ended
September 30,September 30,
 2023202220232022
Distributors:
All distributors60 %57 %63 %61 %
Distributor A50 %29 %45 %33 %
Distributor B4 %23 %8 %16 %
End customers: 1
Top five end customers93 %83 %88 %79 %
End customer A40 %39 %37 %36 %
End customer B26 %15 %25 %13 %
End customer C20 %— %12 %— %
End customer D3 %12 %4 %6 %
End customer E— %13 %— %19 %

1End customers include customers who purchase directly from us, as well as customers who purchase our products indirectly through distributors.
The following accounts represented 10% or more of total accounts receivable in at least one of the periods presented:
September 30,
2023		December 31,
2022
Account W62 %31 %
Account X27 %27 %
Account Y— %12 %
Account Z— %11 %