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Debt and Lease Obligations - Summary of Balances of Debt (Detail) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]    
Current portion of mortgage $ 674 $ 686
Current portion of finance and capital lease obligations 197 194
Current portion of operating lease obligations 2,791 3,010
Long-term portion of finance and capital lease obligations 177 227
Long-term portion of operating lease obligations 7,226 7,620
Total 63,784 63,876
Chongqing Maliu Credit Agreement    
Debt Instrument [Line Items]    
Chongqing Maliu Credit Agreement 6,055 5,731
Senior Secured Loan    
Debt Instrument [Line Items]    
Senior secured loan, net of debt discount and financing fees of $3,336 and $3,592, respectively $ 46,664 $ 46,408