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SEGMENT REPORTING - Summary of Reportable Revenues by Geographic Regions (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | $ 92,274 | $ 70,301 | $ 164,323 | $ 147,563
United States |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 87,968 | 66,478 | 156,478 | 140,358
Europe |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 2,861 | 2,653 | 5,170 | 5,198
Rest of World |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 1,445 | 1,170 | 2,675 | 2,007
Testing services revenue |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 70,918 | 53,414 | 124,755 | 115,198
Testing services revenue | United States |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 70,699 | 53,269 | 124,349 | 114,916
Testing services revenue | Rest of World |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 219 | 145 | 406 | 282
Product revenue |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 10,610 | 7,876 | 19,204 | 14,737
Product revenue | United States |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 6,575 | 4,320 | 11,851 | 8,047
Product revenue | Europe |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 2,822 | 2,532 | 5,104 | 4,993
Product revenue | Rest of World |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 1,213 | 1,024 | 2,249 | 1,697
Patient and digital solutions revenue |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 10,746 | 9,011 | 20,364 | 17,628
Patient and digital solutions revenue | United States |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 10,694 | 8,889 | 20,278 | 17,395
Patient and digital solutions revenue | Europe |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | 39 | 121 | 66 | 205
Patient and digital solutions revenue | Rest of World |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total revenue | $ 13 | $ 1 | $ 20 | $ 28

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 41 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-41 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 270 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482964/270-10-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (ee) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 4: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 5: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 32 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-32 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 924 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479941/924-10-S99-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 30 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 42 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-42 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-40 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 280 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-4 + Details
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