XML 22 R12.htm IDEA: XBRL DOCUMENT
v3.23.1

Supplemental Balance Sheet Information | 3 Months Ended
--- | ---
Mar. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Supplemental Balance Sheet Information | 6. Supplemental Balance Sheet Information Property and Equipment Property and equipment, net as of March 31, 2023 and December 31, 2022 consists of the following:
|  | March 31, 2023 |  |  | December 31, 2022 |
|  | (in thousands) |
Laboratory equipment |  | $ | 7,714 |  |  | $ | 7,720 |
Computer equipment |  |  | 2,262 |  |  |  | 2,235 |
Computer software |  |  | 125 |  |  |  | 125 |
Furniture and fixtures |  |  | 1,737 |  |  |  | 1,699 |
Leasehold improvements |  |  | 2,831 |  |  |  | 2,778 |
Construction in progress |  |  | 678 |  |  |  | 8 |
|  |  | 15,347 |  |  |  | 14,565 |
Less: Accumulated depreciation |  |  | (4,241 | ) |  |  | (3,681 | )
Property and equipment, net |  | $ | 11,106 |  |  | $ | 10,884 |
Depreciation expense was $0.6 million and $0.3 million for the three months ended March 31, 2023 and 2022, respectively. Accrued Expenses and Other Current Liabilities Accrued expenses and other current liabilities as of March 31, 2023 and December 31, 2022 include the following:
|  | March 31, 2023 |  |  | December 31, 2022 |
|  | (in thousands) |
Payroll and employee-related costs |  | $ | 2,040 |  |  | $ | 5,738 |
Research and development costs |  |  | 7,127 |  |  |  | 10,490 |
Other |  |  | 1,525 |  |  |  | 1,267 |
Total accrued expenses and other current liabilities |  | $ | 10,692 |  |  | $ | 17,495 |
Restricted Cash As of March 31, 2023 and 2022, the Company maintained a restricted cash balance of $3.4 million and $4.0 million, respectively, all of which was related to security deposits associated with the Company’s facility leases. The cash will remain restricted in accordance with the lease agreements absent the event of a lease termination or modification. The reconciliation of cash and cash equivalents and restricted cash to amounts presented in the condensed consolidated statements of cash flows are as follows:
|  | March 31, 2023 |  |  | March 31, 2022 |
|  | (in thousands) |
Cash and cash equivalents |  | $ | 57,252 |  |  | $ | 99,909 |
Restricted cash |  |  | 3,423 |  |  |  | 3,990 |
Cash, cash equivalents and restricted cash |  | $ | 60,675 |  |  | $ | 103,899 |
A $0.6 million letter of credit associated with the previous facility lease at 100 Binney Street and recorded as short-term restricted cash on the balance sheet as of December 31, 2022 was released to the Company in March 2023.

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for supplemental balance sheet disclosures, including descriptions and amounts for assets, liabilities, and equity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -URI https://asc.fasb.org/topic&trid=2122208 + Details
Name: | us-gaap_SupplementalBalanceSheetDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration