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Greenwood Facility Closure and Restructuring - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2020
Jun. 30, 2020
Jun. 30, 2020
Jun. 30, 2019
Restructuring Cost And Reserve [Line Items]        
Loss (gain) on disposal of property, plant and equipment     $ 618 $ (24)
Greenwood Facility [Member]        
Restructuring Cost And Reserve [Line Items]        
Date of announcement of closing facility     May 06, 2020  
Total costs incurred for facility closure and restructuring   $ 1,838    
Loss (gain) on disposal of property, plant and equipment   844    
Severance and retention bonus   231    
Increase to excess and obsolesce of inventory reserve   638    
Facility closure costs   125    
Estimated fair value of facility   $ 3,263 $ 3,263  
Greenwood Facility [Member] | Scenario Forecast [Member]        
Restructuring Cost And Reserve [Line Items]        
Severance and retention bonus $ 100      
Facility closure costs 600      
Additional costs expected to be incurred $ 700