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Commitments and Contingencies - Additional Information (Detail)
1 Months Ended 12 Months Ended
Aug. 31, 2020
USD ($)
Installment
shares
Dec. 31, 2021
USD ($)
Installment
shares
Dec. 31, 2020
USD ($)
Dec. 31, 2010
USD ($)
Program
Jun. 15, 2005
USD ($)
Commitments And Contingencies [Line Items]          
Other noncurrent liability   $ 2,070,000 $ 2,280,000    
Change in fair value of contingent consideration   (210,000)      
Milestones payments yet to be achieved   2,000,000.0 2,000,000.0    
Milestones payment   0 0    
Accounts Payable and Accrued Expenses [Member]          
Commitments And Contingencies [Line Items]          
Royalties due to both related and unrelated parties on accrued   $ 115,000 356,000    
Anawah, Inc [Member]          
Commitments And Contingencies [Line Items]          
Contingent liability       $ 3,000,000.0 $ 5,000,000.0
Date of merger and reorganization   Jun. 15, 2005      
Restructuring activities, description   As of December 31, 2010, the Company ceased activities relating to three of the six Anawah product programs      
Number of development programs ceased | Program       3  
Number of development programs | Program       6  
Other noncurrent liability     $ 2,000,000.0    
Industrial Seed Innovations [Member]          
Commitments And Contingencies [Line Items]          
Operating leases, term of contract   3 years      
Remaining amount paid in multiple installments $ 280,000 $ 280,000      
Number of installment become due within 12 months as full amount contingent consideration included in other noncurrent liabilities | Installment   0      
Change in fair value of contingent consideration   $ (210,000)      
Industrial Seed Innovations [Member] | Common Stock [Member]          
Commitments And Contingencies [Line Items]          
Number of annual installment of common stock shares payable | Installment 2 2      
Minimum [Member]          
Commitments And Contingencies [Line Items]          
Operating leases, term of contract   1 year      
Royalty payments due, percentage of net revenue as defined in the In-Licensing agreements   2.00%      
Maximum [Member]          
Commitments And Contingencies [Line Items]          
Operating leases, term of contract   5 years      
Royalty payments due, percentage of net revenue as defined in the In-Licensing agreements   15.00%      
Maximum [Member] | Industrial Seed Innovations [Member] | Common Stock [Member] | Revenue Milestone in 2022 [Member]          
Commitments And Contingencies [Line Items]          
Business combination, equity interest issuable upon achievement of revenue milestone | shares 132,626 132,626