| 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 |
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Cash and cash equivalents | 57 | 66 | 93 | 143 | 197 | 198 | 212 | 236 | 187 |
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Marketable securities | - | - | 21 | 31 | 44 | 11 | 19 | 10 | - |
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Accounts receivable, net | 19 | 20 | 31 | 31 | 37 | 34 | 30 | 24 | 63 |
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Inventory, Net | 8 | 9 | 14 | 19 | 27 | 36 | 25 | 32 | 34 |
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Income tax receivable | 2 | 2 | 0 | 1 | 3 | 3 | 2 | 1 | 2 |
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Prepaid expenses and other current assets | 1 | 1 | 2 | 3 | 7 | 10 | 18 | 26 | 19 |
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Total current assets | 93 | 115 | 162 | 228 | 315 | 292 | 306 | 329 | 305 |
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Rental equipment, net | - | 55 | 55 | 49 | 43 | 39 | 47 | 59 | 62 |
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Machinery and Equipment, Gross | 4 | 5 | 6 | 7 | 7 | 10 | 10 | 12 | 11 |
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Computer equipment and software | - | 5 | 5 | 5 | 6 | 7 | 7 | 9 | 10 |
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Furniture and equipment | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 |
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Leasehold improvements | 1 | 1 | 1 | 2 | 3 | 4 | 5 | 6 | 6 |
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Land and building | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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Construction in process | 0 | 1 | 0 | 0 | 3 | 2 | 2 | 2 | 3 |
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Total property and equipment | 58 | 66 | 67 | 65 | 65 | 64 | 74 | 91 | 95 |
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Less accumulated depreciation | 26 | 36 | 42 | 44 | 42 | 45 | 46 | 52 | 52 |
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Property and equipment, net | 32 | 31 | 25 | 20 | 22 | 19 | 28 | 39 | 43 |
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Goodwill | - | - | - | 2 | 2 | 33 | 33 | 33 | 33 |
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Intangible assets, net | 0 | 0 | 0 | 5 | 4 | 78 | 69 | 60 | 0 |
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Operating lease right-of-use asset | - | - | - | - | - | 6 | 9 | 25 | 22 |
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Deferred tax asset - noncurrent | - | - | - | - | - | - | 14 | - | - |
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Other assets | 0 | 0 | 0 | 1 | 3 | 5 | 3 | 3 | 2 |
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Total assets | 140 | 161 | 214 | 275 | 376 | 447 | 462 | 490 | 405 |
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Accounts payable and accrued expenses | 11 | 13 | 13 | 21 | 27 | 31 | 34 | 26 | 34 |
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Accrued payroll | 4 | 5 | 6 | 7 | 11 | 6 | 7 | 17 | 11 |
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Warranty reserve - current | 1 | 1 | 2 | 3 | 4 | 5 | 6 | 6 | 8 |
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Operating lease liability - current | - | - | - | - | - | 2 | 2 | 3 | 4 |
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Deferred revenue - current | - | - | - | - | 4 | 5 | 7 | 9 | 9 |
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Income tax payable | - | 0 | - | 0 | 0 | 1 | 1 | 0 | - |
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Total current liabilities | 19 | 22 | 23 | 34 | 47 | 50 | 57 | 62 | 65 |
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Warranty reserve - noncurrent | 0 | 1 | 2 | 4 | 6 | 8 | 9 | 7 | 12 |
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Operating lease liability - noncurrent | - | - | - | - | - | 5 | 8 | 23 | 20 |
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Earnout Liability Noncurrent | - | - | - | - | - | 27 | 27 | 15 | - |
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Deferred revenue - noncurrent | - | - | - | - | 12 | 14 | 12 | 12 | 10 |
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Deferred tax liability - noncurrent | - | - | - | - | - | - | 0 | - | - |
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Total liabilities | 22 | 27 | 32 | 48 | 65 | 103 | 112 | 119 | 108 |
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Common Stock, Value, Issued | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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Additional paid-in capital | - | 179 | 194 | 218 | 249 | 263 | 274 | 299 | 312 |
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Retained earnings (deficit) | -57 | -45 | -12 | 9 | 60 | 81 | 76 | 69 | -14 |
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Accumulated other comprehensive income (loss) | - | -0 | -0 | 0 | 1 | -0 | 0 | 1 | -0 |
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Total stockholders' equity | 118 | 134 | 182 | 227 | 310 | 345 | 350 | 370 | 297 |
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Total liabilities and stockholders' equity | 140 | 161 | 214 | 275 | 376 | 447 | 462 | 490 | 405 |
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