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Commitments and Contingencies - Additional Information (Detail) |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Nov. 08, 2021 USD ($) | Jun. 30, 2022 USD ($) | Apr. 30, 2022 USD ($) | Nov. 30, 2021 USD ($) | May 31, 2017 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) Vehicle | Jun. 30, 2021 USD ($) | Dec. 31, 2021 USD ($) | Jul. 01, 2013 USD ($)
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Accrued expenses and other current liabilities |  |  |  |  |  |  |  |  |  | $ 1,100,000 |
Milestone liabilities |  | $ 4,524,000 |  |  |  | $ 4,524,000 |  | $ 4,524,000 |  | 4,838,000 |
Operating lease costs |  |  |  |  |  | 341,000 | $ 340,000 | 629,000 | $ 685,000 |  |
Financing liability |  | 103,900,000 |  |  |  | 103,900,000 |  | 103,900,000 |  | 100,500,000 |
Financing liability, long term |  | 94,447,000 |  | $ 94,400,000 |  | 94,447,000 |  | 94,447,000 |  | 93,525,000 |
Financing liability, short term |  | $ 9,470,000 |  | 9,500,000 |  | $ 9,470,000 |  | $ 9,470,000 |  | $ 6,977,000 |
Payment of long term purchase commitment, amendment fees |  |  |  |  |  |  |  |  | $ 2,000,000.0 |  |
Supply Agreement expiration period |  |  |  |  |  |  |  | Dec. 31, 2027 |  |  |
Supply Agreement renewal period |  |  |  |  |  |  |  | 2 years |  |  |
Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List |  | Other assets |  |  |  | Other assets |  | Other assets |  |  |
Description of right to extension of lease term |  |  |  |  |  |  |  | The Company will receive a six-month concession at the start of the lease extension period on July 31, 2023. The Company has no further right to extend the lease term beyond the Extension Period. |  |  |
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] |  |  |  |  |  |  |  |  |  |  |
Number of vehicle leases retired | Vehicle |  |  |  |  |  |  |  | 85 |  |  |
Number of vehicle leases replaced | Vehicle |  |  |  |  |  |  |  | 85 |  |  |
Number of vehicle leases | Vehicle |  |  |  |  |  |  |  | 89 |  |  |
Operating lease rent expenses |  |  |  |  |  |  |  | $ 100,000 |  |  |
Gain or loss recorded for leases removed |  |  |  |  |  |  |  | 500,000 |  |  |
Operating lease, right-of-use asset |  | 1,400,000 |  |  |  | $ 1,400,000 |  | 1,400,000 |  |  |
Operating lease, liability |  | 1,400,000 |  |  |  | 1,400,000 |  | 1,400,000 |  |  |
Marlborough Lease | Buildings |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating lease rent expenses |  | $ 28,895 |  |  |  |  |  |  |  |  |
Percentage of annual increase in lease payment |  | 3.00% |  |  |  |  |  |  |  |  |
1 Casper, LLC |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Sale price | $ 102,300,000 |  |  | $ 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 | 1 Casper, LLC |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Lease repurchase, amount |  |  |  | $ 102,300,000 |  |  |  |  |  |  |
Deerfield Management Company Lp | Milestone Rights Liability |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Contingent liability remain payable |  | $ 65,000,000.0 |  |  |  | 65,000,000.0 |  | 65,000,000.0 |  |  | $ 65,000,000.0
Accrued expenses and other current liabilities |  | 5,000,000.0 |  |  |  | 5,000,000.0 |  | 5,000,000.0 |  |  |
Milestone liabilities |  | 3,900,000 |  |  |  | 3,900,000 |  | 3,900,000 |  |  |
Deerfield Management Company Lp | Milestone Rights Liability | Accrued Expenses And Other Current Liabilities |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Accrued expenses and other current liabilities |  | $ 2,000,000.0 |  |  |  | $ 2,000,000.0 |  | $ 2,000,000.0 |  |  |
Deerfield Management Company Lp | Milestone Rights Liability | Maximum |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Contingent liability for milestone payments |  |  |  |  |  |  |  |  |  |  | $ 90,000,000.0
Russell Ranch Road II LLC | Office Lease |  |  |  |  |  |  |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating lease rent expenses |  |  | $ 79,543 |  | $ 40,951 |  |  |  |  |  |
Percentage of annual increase in lease payment |  |  | 3.00% |  | 3.00% |  |  |  |  |  |

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