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Revenues (Tables)
12 Months Ended
Dec. 31, 2020
Summary of Net Revenues Based On Geography Location
 
The following tables present the Company’s net revenues disaggregated by geography based on the location of the customer, by product line (in thousands):
 
    
    Twelve Months Ended December 31, 2020    
 
    
Brick

  Products  
    
Advanced

  Products  
    
  Total  
 
United States
   $ 80,065      $ 25,493      $ 105,558  
Europe
     23,491        6,641        30,132  
Asia Pacific
     83,985        73,899        157,884  
All other
     2,715        287        3,002  
    
 
 
    
 
 
    
 
 
 
     $ 190,256      $ 106,320      $ 296,576  
    
 
 
    
 
 
    
 
 
 
 
    
    Twelve Months Ended December 31, 2019    
 
    
Brick

Products
    
Advanced

Products
    
Total
 
United States
   $ 98,822      $ 22,806      $ 121,628  
Europe
     22,172        5,090        27,262  
Asia Pacific
     62,720        46,107        108,827  
All other
     4,182        1,078        5,260  
    
 
 
    
 
 
    
 
 
 
     $ 187,896      $ 75,081      $ 262,977  
    
 
 
    
 
 
    
 
 
 
 
 
  
Twelve Months Ended December 31, 2018
 
 
  
Brick
Products
 
  
Advanced
Products
 
  
Total
 
United States
  
$
77,995
 
  
$
32,784
 
  
$
110,779
 
Europe
  
 
23,484
 
  
 
4,205
 
  
 
27,689
 
Asia Pacific
  
 
80,097
 
  
 
66,981
 
  
 
147,078
 
All other
  
 
5,128
 
  
 
546
 
  
 
5,674
 
 
  
 
 
 
  
 
 
 
  
 
 
 
 
  
$
186,704
 
  
$
104,516
 
  
$
291,220
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Summary of Net Revenues Disaggregated by Geography
The following tables present the Company’s net revenues disaggregated by the category of revenue, by product line (in thousands):
 
    
Twelve Months Ended December 31, 2020
 
    
Brick

Products
    
Advanced

Products
    
Total
 
Direct customers, contract manufacturers and
non-stocking
distributors
   $ 160,004      $ 91,405      $ 251,409  
Stocking distributors, net of sales allowances
     29,411        8,510        37,921  
Non-recurring
engineering
     841        6,181        7,022  
Royalties
            152        152  
Other
            72        72  
    
 
 
    
 
 
    
 
 
 
     $ 190,256      $ 106,320      $ 296,576  
    
 
 
    
 
 
    
 
 
 
   
    
Twelve Months Ended December 31, 2019
 
    
Brick
Products
    
Advanced
Products
    
Total
 
Direct customers, contract manufacturers and
non-stocking
distributors
   $ 159,135      $ 63,567      $ 222,702  
Stocking distributors, net of sales allowances
     27,797        9,802        37,599  
Non-recurring
engineering
     843        1,614        2,457  
Royalties
     121        24        145  
Other
            74        74  
    
 
 
    
 
 
    
 
 
 
     $ 187,896      $ 75,081      $ 262,977  
    
 
 
    
 
 
    
 
 
 
 
 
  
Twelve Months Ended December 31, 2018
 
 
  
Brick
Products
 
  
Advanced
Products
 
  
Total
 
Direct customers, contract manufacturers and
non-stocking
distributors
  
$
163,206
 
  
$
91,579
 
  
$
254,785
 
Stocking distributors, net of sales allowances
  
 
22,362
 
  
 
9,370
 
  
 
31,732
 
Non-recurring
engineering
  
 
1,066
 
  
 
3,356
 
  
 
4,422
 
Royalties
  
 
70
 
  
 
140
 
  
 
210
 
Other
  
 
 
  
 
71
 
  
 
71
 
 
  
 
 
 
  
 
 
 
  
 
 
 
 
  
$
186,704
 
  
$
104,516
 
  
$
291,220
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Summary of Changes in Contract Assets And Liabilities
The following table presents the changes in certain contract assets and (liabilities) (in thousands):
 
    
December 31,

2020
    
December 31,

2019
    
Change
 
Accounts receivable
   $ 40,999      $ 38,115      $ 2,884  
Short-term deferred revenue and customer prepayments
     (7,309      (5,507      (1,802
Long-term deferred revenue
     (733      (1,054      321  
Deferred expenses
     1,650        1,897        (247
Sales allowances
     (597      (741      144  
Schedule of Net Revenues from Unaffiliated Customers by Geographic Region Based on the Location of the Customer
Net revenues from unaffiliated customers by geographic region, based on the location of the customer, for the years ended December 31 were as follows (in thousands):
 
    
2020
    
2019
    
2018
 
United States
   $ 105,558      $ 121,628      $ 110,779  
Europe
     30,132        27,262        27,689  
Asia Pacific
     157,884        108,827        147,078  
All other
     3,002        5,260        5,674  
    
 
 
    
 
 
    
 
 
 
     $ 296,576      $ 262,977      $ 291,220