v3.19.3.a.u2

Balance Sheet Components | 12 Months Ended
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Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Balance Sheet Components | Balance Sheet Components Prepaid Expenses and Other Current Assets Prepaid expenses and other current assets, as of December 31, 2019 and 2018 consists of the following (in thousands):
|  | December 31,
|  | 2019 |  | 2018
Prepaid expenses |  | $ | 8,475 |  |  | $ | 10,401 |
Tenant incentives receivables |  | 4,093 |  |  | 10,089 |
Interest receivable on marketable securities |  | 6,835 |  |  | 7,909 |
Prepaid expenses and other current assets |  | $ | 19,403 |  |  | $ | 28,399 |
Property and Equipment, Net Property and equipment, net as of December 31, 2019 and 2018 consists of the following (in thousands):
|  | December 31,
|  | 2019 |  | 2018
Building (1) |  | $ | — |  |  | $ | 140,442 |
Laboratory equipment |  | 108,257 |  |  | 96,907 |
Leasehold improvements (1) |  | 152,426 |  |  | 13,741 |
Furniture, fixtures and other |  | 3,316 |  |  | 2,122 |
Computer equipment and software |  | 11,985 |  |  | 11,513 |
Internally developed software |  | 7,020 |  |  | 7,020 |
Right-of-use asset, financing |  | 9,853 |  |  | — |
Construction in progress |  | 3,222 |  |  | 4,688 |
|  | 296,079 |  |  | 276,433 |
Less: Accumulated depreciation |  | (94,584 | ) |  | (64,456 | )
Property and equipment, net |  | $ | 201,495 |  |  | $ | 211,977 |
_________ (1) Leasehold improvements related to our Moderna Technology Center manufacturing facility were previously capitalized as building under ASC 840 and are now included in leasehold improvements under ASC 842 (Note 2). Depreciation and amortization expense for the years ended December 31, 2019, 2018 and 2017 was $31.0 million, $24.9 million, $20.5 million, respectively. Accrued Liabilities Accrued liabilities, as of December 31, 2019 and 2018 consists of the following (in thousands):
|  | December 31,
|  | 2019 |  | 2018
In-licenses |  | $ | — |  |  | $ | 22,000 |
Property and equipment |  | 4,029 |  |  | 12,089 |
Compensation-related |  | 27,428 |  |  | 23,406 |
External goods and services |  | 36,195 |  |  | 21,578 |
Accrued liabilities |  | $ | 67,652 |  |  | $ | 79,073 |

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- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI http://asc.fasb.org/topic&trid=2122208 + Details
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