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Supplemental Information - Summary of Certain Balance Sheet Amounts (Detail) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Accounts Receivable:    
Accounts receivable $ 1,107 $ 4,317
Total 1,354 4,887
Growers [Member]    
Accounts Receivable:    
Accounts receivable $ 247 $ 570