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Description of Business and Basis of Presentation - Additional Information (Detail) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Nov. 30, 2020
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                    
Place of incorporation               Arizona    
Year of incorporation               2002    
Place of reincorporation               Delaware    
Date of reincorporation               2015-03    
Gain on sale of Verdeca   $ 0     $ 0     $ 0 $ 1,138,000  
License revenue   1,597,000     1,570,000     4,160,000 6,674,000  
Net loss attributable to non-controlling interest   0     (10,000)     (5,000) (152,000)  
Accumulated deficit   (268,987,000)           (268,987,000)   $ (257,859,000)
Cash and cash equivalents   10,611,000           10,611,000   20,644,000
Short-term investments   5,089,000           5,089,000   0
Net losses   $ (2,567,000) $ 818,000 $ (9,384,000) $ (2,877,000) $ (3,797,000) $ (4,610,000) (11,133,000) (11,284,000) (15,600,000)
Net cash used in operations               (11,149,000) (11,621,000) (14,000,000)
Payment received on accounts and other receivable               $ 0 $ 854,000  
Reverse stock split               In February 2023, the Company’s board of directors approved a reverse split of 40:1 on the Company’s issued and outstanding common stock.    
Additional shares of common stock of reverse stock split               19,118    
Verdeca LLC [Member]                    
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                    
Gain on sale of Verdeca                   1,100,000
Bioceres Crop Solutions [Member]                    
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                    
License revenue                   $ 862,000
Bioceres Crop Solutions [Member] | Verdeca LLC [Member]                    
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                    
Additional cash receivable from sale of interest in joint venture $ 2,000,000                  
Payment received on accounts and other receivable               $ 2,000,000    
Bioceres Crop Solutions [Member] | Verdeca LLC [Member] | Maximum [Member]                    
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                    
Cash shares and royalty receivable $ 10,000,000