Annual report pursuant to Section 13 and 15(d)

Revenue from Contracts with Customers

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Revenue from Contracts with Customers
 12 Months Ended
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]  
Revenue from Contracts with Customers Revenue from Contracts with Customers
Revenue by Market
The table below presents disaggregated net revenues by market (in thousands):
Year Ended December 31,
2021 2020 2019
Broadband $ 492,482  $ 244,424  $ 119,320 
% of net revenue 55  % 51  % 38  %
Connectivity 149,285  70,739  85,369 
% of net revenue 17  % 15  % 27  %
Infrastructure 119,421  76,166  79,137 
% of net revenue 13  % 16  % 25  %
Industrial and multi-market 131,210  87,267  33,354 
% of net revenue 15  % 18  % 11  %
Total net revenue $ 892,398  $ 478,596  $ 317,180 
Revenues from sales through the Company’s distributors accounted for 47% , 49% and 52% of net revenue for the years ended December 31, 2021, 2020, and 2019, respectively.
Contract Liabilities
As of December 31, 2021, customer contract liabilities consisted primarily of advanced payments received for which performance obligations have not been completed of approximately $1.0 million. As of December 31, 2020, customer contract liabilities consisted of estimates of obligations to deliver rebates to customers in the form of units of products and were approximately $0.03 million. Revenue recognized in each of the years ended December 31, 2021, 2020, and 2019 that was included in the contract liability balance as of the beginning of each of those respective periods was immaterial.
There were no material changes in the contract liabilities balance during the years ended December 31, 2021, 2020, and 2019, respectively.
Obligations to Customers for Price Adjustments and Returns and Assets for Right-of-Returns
As of December 31, 2021 and December 31, 2020, obligations to customers consisting of estimates of price protection rights offered to the Company’s end customers totaled $40.5 million and $47.8 million, respectively, and are included in accrued price protection liability in the consolidated balance sheets. For activity in this account, including amounts included in net revenue, refer to Note 7. Other obligations to customers representing estimates of price adjustments to be claimed by distributors upon sell-through of their inventory to their end customer and estimates of stock rotation returns to be claimed by distributors on products sold as of December 31, 2021 were $6.7 million and $2.8 million, respectively, and as of December 31, 2020 were $10.3 million and $2.0 million, respectively, and are included in accrued expenses and other current liabilities in the consolidated balance sheets (Note 7). The increase or decrease in revenue in the years ended December 31, 2021, 2020, and 2019 from net changes in transaction prices for amounts included in obligations to customers for price adjustments as of the beginning of those respective periods was not material.
As of December 31, 2021 and December 31, 2020, right of return assets under customer contracts representing the estimates of product inventory the Company expects to receive from customers in stock rotation returns were approximately $1.1 million and $0.6 million, respectively. Right of return assets are included in inventory in the consolidated balance sheets.
As of December 31, 2021 and December 31, 2020, there were no impairment losses recorded on customer accounts receivable.