| Dec 31, 2014 | Dec 31, 2015 | Dec 31, 2016 | Dec 31, 2017 | Dec 31, 2018 | Dec 31, 2019 | Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 | Dec 31, 2023 | Dec 31, 2024 |
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| Cash and cash equivalents | 68 | 67 | 55 | 58 | 108 | 100 | 408 | 323 | 200 | 230 | 359 |
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| Restricted cash | - | - | - | - | 2 | 3 | 3 | 3 | 2 | 4 | 2 |
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| Investments | 21 | 44 | 42 | 42 | 69 | 32 | 131 | 105 | 234 | 94 | 88 |
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| Accounts receivable, net | 5 | 9 | 12 | 13 | 20 | 22 | 36 | 47 | 47 | 43 | 42 |
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| Contract assets, current portion, net | - | - | - | - | 1 | 1 | 1 | 2 | 9 | 9 | 8 |
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| Prepaid expenses and other current assets | 3 | 3 | 3 | 3 | 4 | 6 | 9 | 11 | 11 | 12 | 24 |
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| Deferred solution and other costs, current portion | 5 | 6 | 9 | 9 | 11 | 16 | 19 | 25 | 21 | 28 | 27 |
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| Deferred Implementation Costs, Current | 2 | 2 | 3 | 4 | 4 | 5 | 8 | 7 | 8 | 9 | 10 |
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| Total current assets | 105 | 133 | 126 | 131 | 218 | 186 | 616 | 522 | 531 | 428 | 559 |
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| Property and equipment, net | 19 | 24 | 27 | 35 | 35 | 39 | 50 | 67 | 57 | 41 | 32 |
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| Right of use assets | - | - | - | - | - | 35 | 35 | 52 | 40 | 35 | 30 |
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| Deferred Solution and Other Costs, Noncurrent | 7 | 10 | 11 | 13 | 17 | 29 | 33 | 27 | 26 | 26 | 28 |
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| Deferred Implementation Costs, Noncurrent | 5 | 6 | 8 | 8 | 10 | 16 | 15 | 17 | 19 | 21 | 26 |
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| Intangible assets, net | - | 17 | 15 | 12 | 63 | 224 | 185 | 162 | 146 | 122 | 95 |
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| Goodwill | - | 13 | 13 | 13 | 108 | 462 | 462 | 513 | 513 | 513 | 513 |
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| Contract assets, net of current portion and allowance | - | - | - | - | 10 | 15 | 19 | 22 | 16 | 12 | 9 |
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| Other long-term assets | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 3 |
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| Total assets | 137 | 204 | 201 | 213 | 464 | 1,009 | 1,417 | 1,385 | 1,350 | 1,201 | 1,295 |
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| Accounts payable | 2 | 3 | 4 | 8 | 9 | 11 | 8 | 11 | 10 | 19 | 9 |
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| Accrued liabilities | 9 | 11 | 9 | 11 | 9 | 16 | 22 | 18 | 21 | 16 | 18 |
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| Accrued compensation | 4 | 8 | 16 | 12 | 13 | 39 | 27 | 32 | 23 | 27 | 33 |
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| Convertible Debt, Current | - | - | - | - | - | - | - | - | 11 | - | 190 |
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| Deferred revenues, current portion | - | - | - | - | 43 | 58 | 82 | 99 | 117 | 119 | 138 |
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| Lease liabilities, current portion | - | - | - | - | - | 9 | 7 | 9 | 9 | 10 | 10 |
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| Total current liabilities | 33 | 46 | 59 | 68 | 74 | 133 | 146 | 168 | 192 | 192 | 399 |
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| Convertible Debt, Noncurrent | - | - | - | - | 183 | 425 | 557 | 552 | 658 | 490 | 302 |
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| Deferred revenues, net of current portion | - | - | - | - | 23 | 33 | 29 | 29 | 22 | 17 | 27 |
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| Operating Lease, Liability, Noncurrent | - | - | - | - | - | 36 | 37 | 61 | 53 | 46 | 38 |
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| Other long-term liabilities | 1 | 4 | 0 | 0 | 17 | 3 | 4 | 4 | 6 | 8 | 10 |
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| Total liabilities | 58 | 86 | 101 | 106 | 305 | 630 | 773 | 815 | 931 | 753 | 777 |
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| Preferred Stock, Value, Outstanding | - | - | - | - | - | - | - | - | - | - | - |
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| Common Stock, Value, Outstanding | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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| Additional paid-in capital | 143 | 208 | 226 | 260 | 331 | 623 | 1,025 | 1,064 | 982 | 1,075 | 1,184 |
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| Accumulated other comprehensive loss | -0 | -0 | -0 | -0 | -0 | 0 | -0 | -0 | -3 | -1 | -2 |
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| Accumulated deficit | -64 | -89 | -126 | -152 | -172 | -243 | -381 | -494 | -560 | -626 | -664 |
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| Total stockholders' equity | 79 | 118 | 100 | 107 | 159 | 379 | 643 | 570 | 419 | 448 | 518 |
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| Total liabilities and stockholders' equity | 137 | 204 | 201 | 213 | 464 | 1,009 | 1,417 | 1,385 | 1,350 | 1,201 | 1,295 |
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