Commitments and Contingencies - Additional Information (Detail) - USD ($)	1 Months Ended			3 Months Ended
	Jun. 30, 2022	Nov. 30, 2021	Nov. 30, 2017	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Jul. 01, 2013
Commitments And Contingencies [Line Items]
Operating lease costs				$ 422,000	$ 288,000
Financing liability				104,000,000.0		$ 104,100,000
Financing liability, long term				94,441,000		94,512,000
Financing liability, short term				$ 9,626,000		$ 9,565,000
Supply Agreement expiration period				Dec. 31, 2027
Supply Agreement renewal period				2 years
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				$ 60,000,000.0			$ 60,000,000.0
Deerfield | 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
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