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Major Reseller Customers | 12 Months Ended
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Dec. 31, 2020
Major Reseller Customers [Abstract] |
MAJOR RESELLER CUSTOMERS |
13. | MAJOR RESELLER CUSTOMERS
The Company’s reseller customers include many large and well-known automotive parts retailers and distributors. The following table summarizes resellers that individually account for more than 5% of the Company’s net sales in any of the periods presented:​​​​​​​
|  | 2020 |  |  | 2019 |  |  | 2018 |
Customer A |  |  | 21.5 | % |  |  | 20.0 | % |  |  | 12.8 | %
Customer B |  |  | 5.4 | % |  |  | 5.7 | % |  |  | 5.6 | %
Customer C |  |  | 4.5 | % |  |  | 5.6 | % |  |  | 2.5 | %
The following reseller customers accounted for 10% or more of the Company’s account receivable balance in any of the periods presented:
|  | 2020 |  |  | 2019 |
Customer A |  |  | 13.2 | % |  |  | 7.6 | %
Customer D |  |  | 8.9 | % |  |  | 11.6 | %

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