| 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, at Carrying Value | 148 | 112 | 108 | 198 | 196 | 182 | 273 | 245 | 176 | 137 | 112 |
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| Accounts Receivable, after Allowance for Credit Loss, Current | 29 | 34 | 37 | 39 | 48 | 45 | 33 | 17 | 14 | 18 | 16 |
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| Prepaid expenses | 5 | 6 | 6 | 5 | 7 | 7 | 6 | 6 | 6 | 6 | 4 |
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| Other current assets | 3 | 1 | 2 | 1 | 4 | 6 | 13 | 2 | 3 | 2 | 3 |
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| Total current assets | 185 | 153 | 153 | 244 | 255 | 240 | 325 | 270 | 198 | 163 | 135 |
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| Property and equipment, net | 31 | 71 | 67 | 71 | 62 | 30 | 21 | 19 | 19 | 19 | 16 |
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| Operating lease right-of-use assets | - | - | - | - | - | 36 | 29 | 24 | 17 | 10 | 2 |
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| Intangible assets, net | 28 | 24 | 20 | 16 | 23 | 17 | 7 | 5 | 14 | 8 | 2 |
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| Other assets | 0 | 1 | 2 | 1 | 7 | 4 | 5 | 4 | 4 | 4 | 5 |
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| Total assets | 297 | 302 | 294 | 385 | 421 | 422 | 458 | 388 | 252 | 204 | 160 |
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| Accounts payable | 13 | 19 | 14 | 19 | 26 | 21 | 13 | 11 | 9 | 7 | 8 |
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| Accrued employee expenses | 14 | 8 | 9 | 7 | 4 | 6 | 7 | 5 | 7 | 7 | 5 |
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| Operating Lease, Liability, Current | - | - | - | - | - | 6 | 5 | 5 | 5 | 3 | 3 |
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| Accrued Liabilities, Current | 12 | 12 | 13 | 13 | 11 | 21 | 18 | 10 | 10 | 12 | 17 |
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| Total current liabilities | 39 | 39 | 35 | 38 | 42 | 54 | 43 | 31 | 31 | 29 | 33 |
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| Operating Lease, Liability, Noncurrent | - | - | - | - | - | 37 | 32 | 26 | 19 | 11 | 8 |
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| Other liabilities | 1 | 1 | 3 | 4 | 9 | 2 | 0 | - | 5 | 4 | 0 |
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| Total liabilities | 48 | 70 | 70 | 72 | 74 | 94 | 75 | 58 | 54 | 44 | 42 |
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| Preferred Stock, Value, Issued | - | - | - | - | - | - | - | - | - | - | - |
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| Common Stock, Value, Issued | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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| Additional paid-in capital | 460 | 509 | 543 | 664 | 720 | 759 | 738 | 724 | 710 | 723 | 711 |
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| Accumulated deficit | -211 | -276 | -318 | -351 | -373 | -432 | -356 | -394 | -513 | -562 | -593 |
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| Total stockholders’ equity | 249 | 233 | 225 | 313 | 347 | 327 | 383 | 330 | 197 | 160 | 118 |
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| Total liabilities and stockholders’ equity | 297 | 302 | 294 | 385 | 421 | 422 | 458 | 388 | 252 | 204 | 160 |
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