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Equity Investments - Additional Information (Detail) - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Apr. 01, 2020
Jul. 07, 2017
Jun. 27, 2017
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Schedule Of Equity Method Investments [Line Items]                
Investment     $ 950     $ 1,190    
Joint venture, consideration               $ 60,904
Losses from equity method investment           $ (38) $ (60)  
Bi-PA                
Schedule Of Equity Method Investments [Line Items]                
Equity investment ownership position       15.00%   15.00%    
Impairment on the investment           $ 0 0  
Hong Kong JV                
Schedule Of Equity Method Investments [Line Items]                
Equity investment ownership position       50.00%   50.00%    
Losses from equity method investment       $ 25 $ 36 $ 38 60  
Investment in joint venture       475 $ 698 475 $ 698  
Clean Seed Capital Group Ltd                
Schedule Of Equity Method Investments [Line Items]                
Joint venture, consideration $ 1,190              
Equity investment ownership position 8.00%              
Losses from equity method investment       24   24    
Equity Method Investment, Shares Purchased 6,250              
Fair value of stock       $ 1,214   $ 1,214    
Profeng Australia, Pty Ltd                
Schedule Of Equity Method Investments [Line Items]                
Joint venture, consideration   $ 1,900