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Commitments and Contingencies - Additional Information (Detail) - USD ($) | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2022 | Nov. 30, 2021 | Nov. 30, 2017 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022 | Jul. 01, 2013
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Milestone liabilities |  |  |  | $ 3,772,000 |  | $ 3,772,000 |  | $ 4,524,000 |
Operating lease costs |  |  |  | 422,000 | $ 408,000 | 1,253,000 | $ 1,037,000 |  |
Financing liability |  |  |  | 104,100,000 |  | 104,100,000 |  | 104,100,000 |
Financing liability, long term |  |  |  | 94,375,000 |  | 94,375,000 |  | 94,512,000 |
Financing liability, short term |  |  |  | 9,747,000 |  | $ 9,747,000 |  | 9,565,000 |
Supply Agreement expiration period |  |  |  |  |  | Dec. 31, 2027 |  |  |
Supply Agreement renewal period |  |  |  |  |  | 2 years |  |  |
Cash paid for interest on financing liability |  |  |  |  |  | $ 7,200,000 | $ 3,800,000 |  |
Equipment | V-Go |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Embedded lease cost per month | $ 14,370 |  |  |  |  |  |  |  |
Master Lease Agreement with Enterprise | Vehicle Leases |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Operating lease rent expenses |  |  |  |  |  | $ 100,000 |  |  |
Marlborough Lease | Buildings |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Operating lease rent expenses | $ 28,895 |  |  |  |  |  |  |  |
Percentage of annual increase in lease payment | 3.00% |  |  |  |  |  |  |  |
Casper L L C |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Sale price |  | $ 102,300,000 |  |  |  |  |  |  |
Lease initial term |  | 20 years |  |  |  |  |  |  |
Lease renewal option |  | 4 years |  |  |  |  |  |  |
Lease renewal options |  | renewal options of five years |  |  |  |  |  |  |
Lessee,option to extend [true false] |  | true |  |  |  |  |  |  |
Operating lease costs |  | $ 9,500,000 |  |  |  |  |  |  |
Lease, description |  | The total annual rent under the Lease starts at approximately $9.5 million per year, subject to a 50% rent abatement during the first year of the Lease, and will increase annually by (i) 2.5% in the second through fifth year of the Lease and (ii) 3% in the sixth and each subsequent year of the Lease, including any renewal term. |  |  |  |  |  |  |
Security deposit |  | $ 2,000,000.0 |  |  |  |  |  |  |
Lease repurchase description |  | the Company has four options to repurchase the Property, in 2026, 2031, 2036 and 2041, for the greater of (i) $102.3 million and (ii) the fair market value of the Property. |  |  |  |  |  |  |
Minimum | Casper L L C |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Lease repurchase, amount |  | $ 102,300,000 |  |  |  |  |  |  |
Deerfield | Milestone Rights Liability |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Contingent liability remain payable |  |  |  |  |  |  |  |  | $ 55,000,000
Deerfield | Milestone Rights Liability | Maximum |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Contingent liability for milestone payments |  |  |  |  |  |  |  |  | $ 90,000,000
Russell Ranch Road II LLC | Office Lease |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Operating lease rent expenses |  |  | $ 79,543 |  |  |  |  |  |
Percentage of annual increase in lease payment |  |  | 3.00% |  |  |  |  |  |
Description of right to extension of lease term |  |  |  |  |  | The Company has no further right to extend the lease term beyond July 31, 2028. |  |  |
Russell Ranch Road II LLC | Maximum | Office Lease |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Reimbursement for tenant improvements |  |  | $ 900,000 |  |  |  |  |  |
Additional base rent concession |  |  | $ 700,000 |  |  |  |  |  |
Barings Global Milestone Rights |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Remaining milestone rights liability |  |  |  | 3,900,000 |  | $ 3,900,000 |  | 4,800,000 |
Milestone rights liability, current |  |  |  | 800,000 |  | 800,000 |  | 900,000 |
Milestone liabilities |  |  |  | $ 3,100,000 |  | $ 3,100,000 |  | $ 3,900,000 |

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