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Accrued and Other Expenses - Schedule of Accrued and Other Expenses (Detail) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Payables And Accruals [Abstract]    
Employee related expenses $ 667 $ 955
Accrued construction 2,197 19
Accrued legal expenses 90 22
Accrued professional fees 529 350
Accrued royalties 206 84
Accrued freight and delivery charges 2,197 383
Accrued real estate tax   516
Deferred rent 861  
Other accrued liabilities 829 101
Total accrued liabilities $ 7,576 $ 2,430