Commitments - Schedule of Manufacturing Commitments and Contingencies (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2022 USD ($)
Commitments And Contingencies [Line Items]
Total manufacturing and other commitments	$ 3,090
Active Pharmaceutical Ingredients [Member]
Commitments And Contingencies [Line Items]
Achievement of certain milestones related to validation of API and regulatory approval of molgramostim	2,600
Molgramostim Nebulizer Manufacturer [Member]
Commitments And Contingencies [Line Items]
Achievement of various development activities and regulatory approval of nebulizer utilized to administer molgramostim	$ 490