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Organization and Basis of Presentation - Additional Information (Detail) - USD ($)
$ in Thousands
Jul. 30, 2020
Jun. 30, 2020
Organization And Basis Of Presentation [Line Items]    
Debt outstanding balance   $ 6,151
Unsecured Seller-financed Promissory Note | Subsequent Events    
Organization And Basis Of Presentation [Line Items]    
Debt outstanding balance $ 595  
Discount from early retirement of debt $ 50