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Significant Customers | 12 Months Ended
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Dec. 31, 2021
Significant Customers |
Significant Customers | 11. Significant Customers There were no sales to significant customers that represented more than 10 percent of total revenues during the years ended December 2021 and 2020. The following table summarizes the percentage of total gross accounts receivable from significant customers that represented more than 10 percent of total gross accounts receivable:
|  | As December 31, |
|  | 2021 |  |  |  | 2020 |
Customer A |  |  | 10.9 | % |  |  | * |
Customer B |  |  | 10.6 | % |  |  | * |
* Sales and accounts receivable from Customer A and Customer B in 2020 did not exceed 10% of revenue and total gross accounts receivable.

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- Definition The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -URI http://asc.fasb.org/topic&trid=2134479 + Details
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