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Other Balance Sheet Details (Tables) | 12 Months Ended
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Dec. 31, 2019
Other Balance Sheet Details [Abstract] |
Summary of Inventory | Inventory consisted of the following:
| December 31, |
(in thousands) | 2019 |  |  | 2018 |
Raw materials | $ | 14,148 |  |  | $ | 7,855 |
Work in process |  | 1,470 |  |  |  | 2,208 |
Finished goods |  | 1,670 |  |  |  | 801 |
Total inventory | $ | 17,288 |  |  | $ | 10,864 |
Property and Equipment | Property and equipment, net, consisted of the following:
| December 31, |
(in thousands) | 2019 |  |  | 2018 |
Tenant improvements | $ | 26,342 |  |  | $ | 19,857 |
Scientific equipment |  | 33,483 |  |  |  | 28,163 |
Computer equipment |  | 12,460 |  |  |  | 11,152 |
Furniture and fixtures |  | 3,188 |  |  |  | 2,968 |
blank |  | 75,473 |  |  |  | 62,140 |
Less accumulated depreciation |  | (33,559 | ) |  |  | (28,271 | )
Total property and equipment, net | $ | 41,914 |  |  | $ | 33,869 |
Accounts Payable and Accrued Liabilities | Accounts payable and accrued liabilities consisted of the following:
| December 31, |
(in thousands) | 2019 |  |  | 2018 |
Accrued employee related costs | $ | 38,941 |  |  | $ | 27,341 |
Revenue-related reserves for discounts and allowances |  | 30,634 |  |  |  | 13,586 |
Accrued development costs |  | 25,496 |  |  |  | 7,069 |
Accounts payable and other accrued liabilities |  | 46,214 |  |  |  | 38,381 |
Total accounts payable and accrued liabilities | $ | 141,285 |  |  | $ | 86,377 |
Summary of Reconciliation of Cash, Cash Equivalents and Restricted Cash | The following table provides a reconciliation of cash and cash equivalents and restricted cash reported within the consolidated balance sheet that sum to the total of the same such amounts shown in the consolidated statement of cash flows.
(in thousands) |  | December 31, 2019 |  |  | December 31, 2018 |
Cash and cash equivalents |  | $ | 112,279 |  |  | $ | 141,714 |
Restricted cash |  |  | 3,206 |  |  |  | 5,477 |
Total cash, cash equivalents and restricted cash |  | $ | 115,485 |  |  | $ | 147,191 |

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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