MONOLITHIC POWER SYSTEMS INCMPWR
| Dec 31, 2011 | Dec 31, 2012 | Dec 31, 2013 | 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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| Net income | 13 | 16 | 23 | 35 | 35 | 53 | 65 | 105 | 109 | 164 | 242 | 438 | 427 | 1,787 |
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| Depreciation and amortization | 9 | 9 | 12 | 13 | 14 | 15 | 16 | 12 | 15 | 19 | 29 | 37 | 40 | 36 |
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| Amortization of premium (discount) on available-for-sale securities | - | - | - | - | - | - | - | - | -1 | -3 | -5 | -4 | 5 | 20 |
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| Loss (gain) on deferred compensation plan investments | - | - | - | - | - | 1 | 3 | -0 | 4 | 5 | 5 | -7 | 9 | 9 |
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| Deferred taxes, net | - | - | - | 0 | 0 | -0 | -15 | -1 | -1 | -2 | -3 | -13 | 6 | -1,303 |
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| Gain on sale of equity investment | - | - | - | - | - | - | - | - | - | - | - | - | 1 | - |
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| us-gaap_ShareBasedCompensation | 13 | 19 | 21 | 33 | 42 | 45 | 53 | 61 | 79 | 86 | 123 | 161 | 150 | 206 |
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| Other | - | - | - | - | - | - | - | - | - | 1 | -0 | -0 | 0 | -0 |
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| Accounts receivable | 3 | -4 | 4 | 2 | 5 | 3 | 4 | 18 | -3 | 14 | 38 | 78 | -3 | -7 |
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| Inventories | 6 | -12 | -8 | 1 | 22 | 8 | 28 | 37 | -9 | 30 | 102 | 188 | -64 | 35 |
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| Other assets | - | - | - | - | - | 11 | -2 | 1 | 10 | 3 | 15 | 177 | 24 | -55 |
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| Accounts payable | -1 | 1 | 1 | 2 | 0 | 5 | 3 | 1 | 3 | 10 | 33 | -11 | 5 | 23 |
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| Accrued compensation and related benefits | - | -2 | 3 | -1 | 1 | 3 | 2 | 4 | 7 | 19 | 17 | 29 | -31 | 9 |
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| Income tax liabilities | -2 | -2 | 0 | -0 | 4 | 3 | 29 | 7 | -1 | 1 | 12 | 17 | -0 | 13 |
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| Other accrued liabilities | 1 | - | - | - | - | - | - | - | - | 20 | 23 | 22 | 15 | 20 |
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| Net cash provided by operating activities | 44 | 25 | - | - | - | - | 134 | 141 | 216 | 268 | 320 | 247 | 638 | 788 |
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| Purchases of property and equipment | 21 | 21 | 16 | 10 | 16 | 37 | 66 | 23 | 96 | 56 | 94 | 59 | 58 | 146 |
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| Cash paid for an assumed lease | - | - | - | - | - | - | - | - | - | - | - | - | - | 18 |
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| Purchases of investments | 78 | 143 | 126 | 137 | 223 | 237 | 141 | 99 | 213 | 335 | 395 | 64 | 583 | 1,083 |
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| Maturities and sales of investments | 130 | 135 | 86 | 149 | 190 | 223 | 78 | 109 | 136 | 357 | 113 | 128 | 468 | 1,508 |
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| Cash paid for acquisition, net of cash acquired | - | - | - | 12 | - | - | - | - | - | - | - | - | - | 33 |
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| Contributions to deferred compensation plan, net | - | - | - | - | - | 5 | 5 | 4 | 3 | 3 | 3 | 16 | 7 | 5 |
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| Net cash provided by (used in) investing activities | 36 | -27 | - | - | - | - | -134 | -15 | -167 | -39 | -379 | -13 | -179 | 223 |
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| Property and equipment purchased on extended payment terms | - | - | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 5 | 3 | 2 | 3 | 4 |
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| Proceeds from common stock issued under the employee equity incentive plan | - | - | - | - | - | - | - | 11 | 17 | 19 | 17 | 5 | 1 | - |
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| Proceeds from common stock issued under the employee stock purchase plan | 2 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 4 | 5 | 6 | 8 | 9 |
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| Repurchases of common stock | 38 | - | 21 | 41 | 32 | - | - | - | - | - | - | - | 4 | 636 |
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| Dividends and dividend equivalents paid | - | 36 | - | - | - | - | - | - | 67 | 89 | 109 | 138 | 186 | 241 |
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| Net cash used in financing activities | -32 | -20 | - | - | - | - | -31 | -35 | -48 | -72 | -90 | -129 | -184 | -872 |
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| Effect of change in exchange rates | - | - | - | - | - | - | - | -2 | -1 | 5 | 3 | -6 | -3 | -8 |
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| Net increase in cash, cash equivalents and restricted cash | - | - | - | - | - | - | - | - | - | 162 | -146 | 99 | 272 | 131 |
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| Cash paid for income taxes, net | 1 | 1 | 1 | 1 | - | - | - | - | 11 | 1 | 21 | 85 | 85 | 80 |
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| Liability accrued for property and equipment purchases | - | 2 | 2 | 1 | 2 | 1 | 3 | 2 | 8 | 8 | 18 | 6 | 2 | 22 |
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