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Revenues | 9 Months Ended
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Sep. 30, 2021
Revenue from Contract with Customer [Abstract] |
Revenues | 6. Revenues Revenues by product line. The following table represents total net revenues by product line:
|  | Three Months Ended September 30, | Nine Months Ended September 30,
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |  |
Infectious disease testing |  | $ | 12,932 |  |  | $ | 13,224 |  |  | $ | 39,664 |  |  | $ | 36,625 |  |
Risk assessment testing |  |  | 2,674 |  |  |  | 2,253 |  |  |  | 7,265 |  |  |  | 6,786 |  |
Genomics (1) |  |  | 19,018 |  |  |  | 8,454 |  |  |  | 49,333 |  |  |  | 23,224 |  |
Microbiome (1) |  |  | 1,693 |  |  |  | 1,530 |  |  |  | 5,888 |  |  |  | 3,869 |  |
COVID-19 (1) |  |  | 13,930 |  |  |  | 18,867 |  |  |  | 54,147 |  |  |  | 27,918 |  |
Laboratory services |  |  | 2,406 |  |  |  | 2,280 |  |  |  | 8,017 |  |  |  | 6,798 |  |
Other product and service revenues |  |  | 576 |  |  |  | 141 |  |  |  | 1,235 |  |  |  | 752 |  |
Net product and services revenues |  |  | 53,229 |  |  |  | 46,749 |  |  |  | 165,549 |  |  |  | 105,972 |  |
Royalty income |  |  | 500 |  |  |  | 450 |  |  |  | 2,636 |  |  |  | 1,623 |  |
Other non-product revenues |  |  | 188 |  |  |  | 812 |  |  |  | 1,921 |  |  |  | 1,271 |  |
Other revenues |  |  | 688 |  |  |  | 1,262 |  |  |  | 4,557 |  |  |  | 2,894 |  |
Net revenues |  | $ | 53,917 |  |  | $ | 48,011 |  |  | $ | 170,106 |  |  | $ | 108,866 |  |
(1) 2020 Genomics, Microbiome, and COVID-19 revenues were reclassified to reflect the correct classification of the product line sales. The reclassification increased (decreased) the product line revenues for the three months ended September 30, 2020 by $(65), $(298), and $363, respectively and increased (decreased) the product line revenue for the nine months ended September 30, 2020 by $(157), $(390), and $547, respectively. Revenues by geographic area. The following table represents total net revenues by geographic area, based on the location of the customer:
|  | Three Months Ended September 30, |  |  |  | Nine Months Ended September 30, |
|  | 2021 |  |  | 2020 |  |  |  | 2021 |  |  | 2020 |
United States |  | $ | 42,969 |  |  | $ | 38,594 |  |  |  | $ | 139,669 |  |  | $ | 82,125 |
Europe |  |  | 2,411 |  |  |  | 2,789 |  |  |  |  | 10,288 |  |  |  | 8,663 |
Other regions |  |  | 8,537 |  |  |  | 6,628 |  |  |  |  | 20,149 |  |  |  | 18,078 |
|  | $ | 53,917 |  |  | $ | 48,011 |  |  |  | $ | 170,106 |  |  | $ | 108,866 |
Customer and Vendor Concentrations. At September 30, 2021, one customer accounted for 13% of our accounts receivable. Another customer accounted for 11% of our accounts receivable as of December 31, 2020. One customer accounted for 14% of net consolidated revenues for the three months ended September 30, 2021. Another customer accounted for 10% of net consolidated revenues for the nine months ended September 30, 2021. One customer accounted for 11% of net consolidated revenues for the three months ended September 30, 2020. We currently purchase certain products and critical components of our products from sole-supply vendors. If these vendors are unable or unwilling to supply the required components and products, we could be subject to increased costs and substantial delays in the delivery of our products to our customers. Third-party suppliers also manufacture certain products. Our inability to have a timely supply of any of these components and products could have a material adverse effect on our business, as well as our financial condition and results of operations. Deferred Revenue. We record deferred revenue when funds are received prior to the recognition of the associated revenue. Deferred revenue as of September 30, 2021 and December 31, 2020 includes customer prepayments of $2,340 and $3,216, respectively. Deferred revenue as of September 30, 2021 and December 31, 2020 also includes $1,148 and $1,595, respectively, associated with a long-term contract that has variable pricing based on volume. The average price over the life of the contract was determined and revenue is recognized at that average price.

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130556-203045 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130550-203045 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130558-203045 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130554-203045 + Details
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