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Fair Value Measurements - Additional Information (Detail) - USD ($)
3 Months Ended 12 Months Ended
Dec. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Fair value assets, Level 1 to Level 2 transfers $ 0 $ 0 $ 0 $ 0
Fair value assets, Level 2 to Level 1 transfers 0 0 0 0
Fair value liabilities, Level 1 to Level 2 transfers 0 0 0 0
Fair value liabilities, Level 2 to Level 1 transfers 0 0 0 0
Fair value assets, transfers into Level 3   0 0 0
Fair value assets, transfers out of Level 3   0 0 0
Fair value liabilities, transfers into Level 3   0 0 0
Fair value liabilities, transfers out of Level 3   0 0 0
Goodwill impairment $ 67,700,000 $ 67,679,000 $ 0 $ 0
Pharma Essentia | OTC | Taiwan | Quoted Prices in Active Markets for Identical Assets (Level 1)        
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]        
Number of shares owned by company 68,000 68,000 68,000