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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2023
Accounting Policies [Abstract] |
Schedule of Restricted Cash | The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported on the Consolidated Balance Sheets that agrees to the amounts included in the Consolidated Statement of Cash Flows.
| December 31,
(in millions) | 2023 |  | 2022 |  | 2021
Cash and cash equivalents | $ | 132.1 |  |  | $ | 56.9 |  |  | $ | 257.4 |
Restricted cash | 8.8 |  |  | 9.5 |  |  | 1.4 |
Total cash, cash equivalents, and restricted cash | $ | 140.9 |  |  | $ | 66.4 |  |  | $ | 258.8 |
Schedule of Cash and Cash Equivalents | The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported on the Consolidated Balance Sheets that agrees to the amounts included in the Consolidated Statement of Cash Flows.
| December 31,
(in millions) | 2023 |  | 2022 |  | 2021
Cash and cash equivalents | $ | 132.1 |  |  | $ | 56.9 |  |  | $ | 257.4 |
Restricted cash | 8.8 |  |  | 9.5 |  |  | 1.4 |
Total cash, cash equivalents, and restricted cash | $ | 140.9 |  |  | $ | 66.4 |  |  | $ | 258.8 |
Schedule of Revenue by Type | The following table presents detail regarding the composition of the Company’s total revenue by product type for the years ended December 31, 2023, 2022, and 2021:
| Years Ended December 31,
(In millions) | 2023 |  | 2022 |  | 2021
Testing revenues: |  |  |  |  |
Hereditary Cancer | $ | 327.8 |  |  | $ | 305.5 |  |  | $ | 316.3 |
Tumor Profiling | 135.6 |  |  | 128.6 |  |  | 120.9 |
Prenatal | 151.3 |  |  | 116.4 |  |  | 106.8 |
Pharmacogenomics | 138.5 |  |  | 127.6 |  |  | 93.7 |
Autoimmune | — |  |  | 0.3 |  |  | 28.2 |
Other | — |  |  | — |  |  | 0.5 |
Total testing revenue | 753.2 |  |  | 678.4 |  |  | 666.4 |
Other revenue | — |  |  | — |  |  | 24.2 |
Total revenue | $ | 753.2 |  |  | $ | 678.4 |  |  | $ | 690.6 |
Schedule of Revenue by Geographical Region | In addition, the following tables reconcile revenue by geographical region, either U.S. or rest of world ("RoW"), to total revenue:
| Years Ended December 31,
| 2023 |  | 2022 |  | 2021
(in millions) | U.S. |  | RoW |  | Total |  | U.S. |  | RoW |  | Total |  | U.S. |  | RoW |  | Total
Testing revenues: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Hereditary Cancer | $ | 280.5 |  |  | $ | 47.3 |  |  | $ | 327.8 |  |  | $ | 263.5 |  |  | $ | 42.0 |  |  | $ | 305.5 |  |  | $ | 271.0 |  |  | $ | 45.3 |  |  | $ | 316.3 |
Tumor Profiling | 102.1 |  |  | 33.5 |  |  | 135.6 |  |  | 84.5 |  |  | 44.1 |  |  | 128.6 |  |  | 80.4 |  |  | 40.5 |  |  | 120.9 |
Prenatal | 150.6 |  |  | 0.7 |  |  | 151.3 |  |  | 115.6 |  |  | 0.8 |  |  | 116.4 |  |  | 106.2 |  |  | 0.6 |  |  | 106.8 |
Pharmacogenomics | 138.5 |  |  | — |  |  | 138.5 |  |  | 127.6 |  |  | — |  |  | 127.6 |  |  | 93.7 |  |  | — |  |  | 93.7 |
Autoimmune | — |  |  | — |  |  | — |  |  | 0.3 |  |  | — |  |  | 0.3 |  |  | 28.2 |  |  | — |  |  | 28.2 |
Other | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 0.5 |  |  | 0.5 |
Total testing revenue | 671.7 |  |  | 81.5 |  |  | 753.2 |  |  | 591.5 |  |  | 86.9 |  |  | 678.4 |  |  | 579.5 |  |  | 86.9 |  |  | 666.4 |
Other revenue | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 24.2 |  |  | — |  |  | 24.2 |
Total revenue | $ | 671.7 |  |  | $ | 81.5 |  |  | $ | 753.2 |  |  | $ | 591.5 |  |  | $ | 86.9 |  |  | $ | 678.4 |  |  | $ | 603.7 |  |  | $ | 86.9 |  |  | $ | 690.6 |
Schedule of Reconciliation of Deferred Revenue Balances | A reconciliation of the beginning and ending balances of deferred revenue is shown in the table below:
| Years Ended December 31,
(in millions) | 2023 |  | 2022 |  | 2021
Deferred revenue - beginning balance | $ | 0.6 |  |  | $ | 5.2 |  |  | $ | 32.7 |
Revenue recognized | (0.5) |  |  | (4.9) |  |  | (40.5) |
Prepayments | 0.4 |  |  | 0.3 |  |  | 14.0 |
Divestitures | — |  |  | — |  |  | (1.0) |
Deferred revenue - ending balance | $ | 0.5 |  |  | $ | 0.6 |  |  | $ | 5.2 |
Schedule of Reconciliation of Denominators of Basic and Diluted Earnings Per Share Computations | The following is a reconciliation of the denominators of the basic and diluted earnings per share computations:
| Years Ended December 31,
(in millions) | 2023 |  | 2022 |  | 2021
Denominator: |  |  |  |  |
Weighted-average shares outstanding used to compute basic EPS | 82.8 |  |  | 80.6 |  |  | 78.0 |
Effect of dilutive stock options and RSUs | — |  |  | — |  |  | — |
Weighted-average shares outstanding and dilutive securities used to compute diluted EPS | 82.8 |  |  | 80.6 |  |  | 78.0 |
Schedule of Potential Dilutive Common Shares | These potential dilutive shares of common stock, which may be dilutive to future diluted earnings per share, are as follows:
| Years Ended December 31,
(in millions) | 2023 |  | 2022 |  | 2021
Anti-dilutive options and RSUs excluded from EPS computation | 5.1 |  |  | 4.4 |  |  | 4.5 |
Schedule of Cumulative Translation Adjustments Included in Accumulated Other Comprehensive Loss | The following table shows the cumulative translation adjustments included in Accumulated other comprehensive loss (in millions):
Ending balance December 31, 2022 | $ | (6.2) |
Period translation adjustments | 2.1 |
Reclassification of cumulative translation adjustment to income upon liquidation of an investment in a foreign entity | 0.4 |
Ending balance December 31, 2023 | $ | (3.7) |

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