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Equity Method Investment - Additional Information (Detail) - USD ($) $ in Thousands |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Jul. 07, 2017 | Jun. 27, 2017 | Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020 | Aug. 02, 2016
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Investment |  | $ 950 |  |  | $ 184 | $ 1,190 |  |
Joint venture, consideration |  |  |  |  |  |  | $ 37,169 |
Losses from equity method investment |  |  |  |  | (87) | (38) |  |
Huifeng/AMVAC Innovation Co., Ltd. |  |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Equity investment ownership position |  |  |  |  |  |  |  | 50.00%
Hong Kong JV |  |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Losses from equity method investment |  |  | $ 74 | $ 25 | 87 | 38 |  |
Investment in joint venture |  |  | $ 301 | $ 475 | $ 301 | $ 475 |  |
Profeng Australia, Pty Ltd |  |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Joint venture, consideration | $ 1,900 |  |  |  |  |  |  |

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