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Leases (Tables) | 12 Months Ended
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Dec. 31, 2024
Leases [Abstract] |
Summary of Additional Details of the Leases | The following table provides additional details of our facility leases presented in our balance sheets:
($ in thousands) | December 31,
Facilities | 2024 |  | 2023
Right-of-use assets | $ | 2,380 |  |  | $ | 5,589 |
Current portion of lease liabilities | 1,562 |  |  | 4,435 |
Operating lease liability, net of current portion | 1,023 |  |  | 1,725 |
Total lease liabilities | $ | 2,585 |  |  | $ | 6,160 |
Weighted-average remaining term (in years) | 1.8 |  | 1.6
Weighted-average discount rate | 6.5 | % |  | 6.8 | %
Summary of Lease Costs | The lease costs, which are included in operating expenses in our statements of operations and comprehensive loss, were as follows:
| Year Ended December 31,
(in thousands) | 2024 |  | 2023 |  | 2022
Operating lease expense | $ | 4,699 |  |  | $ | 3,857 |  |  | $ | 4,257 |
Cash paid for operating leases | $ | 4,931 |  |  | $ | 4,481 |  |  | $ | 4,292 |
Summary of Undiscounted Cash Payment Obligations for Operating Lease Liabilities | The following table summarizes our undiscounted cash payment obligations for our operating lease liabilities as of December 31, 2024:
(in thousands) | Operating Leases
2025 | $ | 1,660 |
2026 | 702 |
2027 | 238 |
2028 | 124 |
Thereafter | 21 |
Total undiscounted operating lease payments | 2,745 |
Imputed interest expenses | (160) |
Total operating lease liabilities | 2,585 |
Less: Current portion of operating lease liability | (1,562) |
Operating lease liability, net of current portion | $ | 1,023 |

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-6 + Details
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